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Tutors Answer Your Questions about Circles (FREE)
Question 169900: What is the base length of an isosceles triangle that has two legs of 5 inches and the obtuse angle of 120 degres and the two base angles of 30 degress? : What is the base length of an isosceles triangle that has two legs of 5 inches and the obtuse angle of 120 degres and the two base angles of 30 degress?
Click here to see answer by Alan3354(1449)  |
Question 169792: A building is constructed over a circular pond. The ratio from the longest side of the rectangular building is 4:3 and the perimeter is 280 units. The edge of the pond is 4 units beyond each corner of the building on the diagonal when viewed in an aerial photo. The building owners plan to put water plants in the area of the pond that will recieve sunlight at noon. The plants caost $1.25 each and require a surface area of 30 square units to be healty when mature. What is the total cost of the plants neede to cover the available area?: A building is constructed over a circular pond. The ratio from the longest side of the rectangular building is 4:3 and the perimeter is 280 units. The edge of the pond is 4 units beyond each corner of the building on the diagonal when viewed in an aerial photo. The building owners plan to put water plants in the area of the pond that will recieve sunlight at noon. The plants caost $1.25 each and require a surface area of 30 square units to be healty when mature. What is the total cost of the plants neede to cover the available area?
Click here to see answer by stanbon(19020) |
Question 169558: A moving circle is tangent to the x-axis and to the circle of radius one with center at (2,-6). Find the equation of the locus of the center of the moving circle.: A moving circle is tangent to the x-axis and to the circle of radius one with center at (2,-6). Find the equation of the locus of the center of the moving circle.
Click here to see answer by Alan3354(1449) |
Question 168809: the question in my math book is 1/4 of out of a circle they are asking me to find the perimeter and the area the lenght of this 1/4 is 3cm the answer in the back of the book gives 10.71 for the perimeter and 7.065 for the area what are the steps that i need to take to come up with these two answers : the question in my math book is 1/4 of out of a circle they are asking me to find the perimeter and the area the lenght of this 1/4 is 3cm the answer in the back of the book gives 10.71 for the perimeter and 7.065 for the area what are the steps that i need to take to come up with these two answers
Click here to see answer by ankor@dixie-net.com(4538) |
Question 168637: Find the perimeter of the equilateral traiangle inscribed in a circle of radius 20.0 inches: Find the perimeter of the equilateral traiangle inscribed in a circle of radius 20.0 inches
Click here to see answer by Mathtut(570) |
Question 168331: Need help on this proof, please.
I have to write reasons for the statements of the proof.
GIVEN: linePS and lineQT are chords intersecting at R.
PROVE: triangleQRP is similiar to triangleSRT.
STATEMENTS
1. line PS and lineQT are chords intersecting at R. 1. Given.
2. angleQPS is congruent to angleSTQ and anglePQT 2. ????
is congruent to angleTSP. 3. ????
3. triangleQRP is similiar to triangleSRT.
I just need the reasons for numbers 2 and 3. Thanks a bunch! : Need help on this proof, please.
I have to write reasons for the statements of the proof.
GIVEN: linePS and lineQT are chords intersecting at R.
PROVE: triangleQRP is similiar to triangleSRT.
STATEMENTS
1. line PS and lineQT are chords intersecting at R. 1. Given.
2. angleQPS is congruent to angleSTQ and anglePQT 2. ????
is congruent to angleTSP. 3. ????
3. triangleQRP is similiar to triangleSRT.
I just need the reasons for numbers 2 and 3. Thanks a bunch!
Click here to see answer by stanbon(19020) |
Question 167395: Will someone PLEASE HELP!!!
write an equation for the circle with center (-4, sq. root 7) and radius of 5 units.
I have to whow my work.
PLEASE HELP!!!
Thanks: Will someone PLEASE HELP!!!
write an equation for the circle with center (-4, sq. root 7) and radius of 5 units.
I have to whow my work.
PLEASE HELP!!!
Thanks
Click here to see answer by Alan3354(1449) |
Question 167352This question is from textbook Geometry
: The length of arc AB is 6(pi)cm and the measurement of arc AB is 120 degrees. What is the diameter of the circle?This question is from textbook Geometry
: The length of arc AB is 6(pi)cm and the measurement of arc AB is 120 degrees. What is the diameter of the circle?
Click here to see answer by stanbon(19020) |
Question 166252: Given: (3,-1) and (-11,7) are endpoints of a diameter of a cirle.
Find the radius, center coordinates, and equation in general form: Given: (3,-1) and (-11,7) are endpoints of a diameter of a cirle.
Find the radius, center coordinates, and equation in general form
Click here to see answer by stanbon(19020) |
Question 164142: For what nonzero value of the radius is the circumference of a circle numerically equal to its area?: For what nonzero value of the radius is the circumference of a circle numerically equal to its area?
Click here to see answer by Edwin McCravy(2087) |
Question 164142: For what nonzero value of the radius is the circumference of a circle numerically equal to its area?: For what nonzero value of the radius is the circumference of a circle numerically equal to its area?
Click here to see answer by Alan3354(1449) |
Question 163807: can you please help me solve these questions:-
1. "what is the equation of the circle who touches the negative x- and y-axes and also the line "
2." what is the equation of the circle who passes through the points (1,4),(7,5),(1,8)?"
3."what is the equation of the circle who has its centre on the line  and passes through the origin and the point (4,2)?": can you please help me solve these questions:-
1. "what is the equation of the circle who touches the negative x- and y-axes and also the line"
2." what is the equation of the circle who passes through the points (1,4),(7,5),(1,8)?"
3."what is the equation of the circle who has its centre on the line and passes through the origin and the point (4,2)?"
Click here to see answer by Edwin McCravy(2087) |
Question 163806: can you please help me solve this question" A circle whose centre is in the first quadrant touches the y-axis at the point (0,3)and is orthogonal to the circle  What is the equation of the circle?
: can you please help me solve this question" A circle whose centre is in the first quadrant touches the y-axis at the point (0,3)and is orthogonal to the circle What is the equation of the circle?
Click here to see answer by midwood_trail(260) |
Question 161609: What is the area of a circle with circumference 18pi centimeters? Give your answer in terms of pi. Show work
Thanks: What is the area of a circle with circumference 18pi centimeters? Give your answer in terms of pi. Show work
Thanks
Click here to see answer by nerdybill(1129) |
Question 161159: GPS Satellites orbit 12,500 miles above the surface of the earth. Point A represents the position of a satellite. Line segments AB and AC are externally tangent to the earth touch the earth at points B and C. Segment AB = 15,977 miles from point A(satellite) to point B(edge of earth). Line segment AE represents a line from the center of the earth to the orbiting satellite. Line segment DE, which is a portion of segment AE, represents the radius of the earth. The question is, What is the radius represented by line segment DE?
If AB = 15,977 then BC also equal 15,977, right... I am not sure how to find the diameter in order to get the radius...
This question if for extra credit and not from a text book...
Thanks for all you help!: GPS Satellites orbit 12,500 miles above the surface of the earth. Point A represents the position of a satellite. Line segments AB and AC are externally tangent to the earth touch the earth at points B and C. Segment AB = 15,977 miles from point A(satellite) to point B(edge of earth). Line segment AE represents a line from the center of the earth to the orbiting satellite. Line segment DE, which is a portion of segment AE, represents the radius of the earth. The question is, What is the radius represented by line segment DE?
If AB = 15,977 then BC also equal 15,977, right... I am not sure how to find the diameter in order to get the radius...
This question if for extra credit and not from a text book...
Thanks for all you help!
Click here to see answer by scott8148(2761) |
Question 160972: My worksheet says:
In a circle whose diameter is 20 inches, a chord is 6 inches from the center. What is the length of the chord?: My worksheet says:
In a circle whose diameter is 20 inches, a chord is 6 inches from the center. What is the length of the chord?
Click here to see answer by ankor@dixie-net.com(4538) |
Question 160246: Do I divide the circumference of a circle by four to get the perimeter of a quadrant?: Do I divide the circumference of a circle by four to get the perimeter of a quadrant?
Click here to see answer by stanbon(19020) |
Question 159931: The circumference of a circle is 5/2 pi. What is the diameter of the circle?: The circumference of a circle is 5/2 pi. What is the diameter of the circle?
Click here to see answer by checkley77(3654) |
Question 157622: I have a sphere with a diameter of 88,846 miles, and another sphere with a diameter of 7,926 miles. how would i find the surface area to compare, and then eventually find the ratio between the surface areas?
then, using the same numbers, i need to find the ratio of their volumes?
which means i need to know how to find their volumes.
i know the formula for surface area is SA=4(3.14159)r^2
or surface area=four times pi times the radius squared.
then the volume formula would be volume=4/3 times pi times radius cubed (^3)
i dont know if this makes ANY sense... but i dont understand why everytime i calculate such big numbers on my calculator, it says something about "E+11" at the end.. i dont understand it.
HELP?
:)thanks.: I have a sphere with a diameter of 88,846 miles, and another sphere with a diameter of 7,926 miles. how would i find the surface area to compare, and then eventually find the ratio between the surface areas?
then, using the same numbers, i need to find the ratio of their volumes?
which means i need to know how to find their volumes.
i know the formula for surface area is SA=4(3.14159)r^2
or surface area=four times pi times the radius squared.
then the volume formula would be volume=4/3 times pi times radius cubed (^3)
i dont know if this makes ANY sense... but i dont understand why everytime i calculate such big numbers on my calculator, it says something about "E+11" at the end.. i dont understand it.
HELP?
:)thanks.
Click here to see answer by nerdybill(1129) |
Question 157605: V=455.9
What is the radius and diameter of the basketball?
Thank you,
Clewis: V=455.9
What is the radius and diameter of the basketball?
Thank you,
Clewis
Click here to see answer by Alan3354(1449) |
Question 157521: Can someone please help me?
.
This is not a math question
.
Can someone please list some good Christian songs, so I can put them on my ipod?
.
Thanks: Can someone please help me?
.
This is not a math question
.
Can someone please list some good Christian songs, so I can put them on my ipod?
.
Thanks
Click here to see answer by Alan3354(1449) |
Question 156885: 18.When blown up, a beach ball has a diameter of 1 foot. How much air is needed to blow up the beach ball? The volume of a sphere is V = 4/3 π r3, where r is the radius (the radius is ½ of the diameter). Leave your answer in terms of π. Give your answer in cubic feet.
: 18.When blown up, a beach ball has a diameter of 1 foot. How much air is needed to blow up the beach ball? The volume of a sphere is V = 4/3 π r3, where r is the radius (the radius is ½ of the diameter). Leave your answer in terms of π. Give your answer in cubic feet.
Click here to see answer by nerdybill(1129) |
Question 154450: This one is a little tough for me so I could please use some help!
Find an equation of the circle having center (4,-3) and radius 5?: This one is a little tough for me so I could please use some help!
Find an equation of the circle having center (4,-3) and radius 5?
Click here to see answer by stanbon(19020) |
Question 152936: A wheel has a diameter 28 inches. If it turns ten times, how far has the vehicle traveled, to the nearest foot?: A wheel has a diameter 28 inches. If it turns ten times, how far has the vehicle traveled, to the nearest foot?
Click here to see answer by orca(336) |
Question 152853: if four congruent circles are insicribed in a sqaure qith the side length of 20mm what is the peremiter of the shaded portion of the square?: if four congruent circles are insicribed in a sqaure qith the side length of 20mm what is the peremiter of the shaded portion of the square?
Click here to see answer by mangopeeler07(445) |
Question 149128: the segments GA and BG are tangent to a circle at A and B, and AGB is a 48 degree angle. Given that GA = 12 cm, find the distance from G to the nearest point on the circle. : the segments GA and BG are tangent to a circle at A and B, and AGB is a 48 degree angle. Given that GA = 12 cm, find the distance from G to the nearest point on the circle.
Click here to see answer by Edwin McCravy(2087) |
Question 150278: Find the equation of the circle described each.
a)The circle is tangent to both coordinate axes and contains the point (6,3).
b)The circle is circumscribed about the triangle whose vertices are (-1,-3),(-2,4),and (2,1).
c)The sides of a triangle are on the line 6x+7y+11=0,2x-9y+11=0,and 9x+2y-11=0.Find the equation of the cirlce inscribed in the triangle.
(looking forward for someone who will asnwer this..ty in advance =): Find the equation of the circle described each.
a)The circle is tangent to both coordinate axes and contains the point (6,3).
b)The circle is circumscribed about the triangle whose vertices are (-1,-3),(-2,4),and (2,1).
c)The sides of a triangle are on the line 6x+7y+11=0,2x-9y+11=0,and 9x+2y-11=0.Find the equation of the cirlce inscribed in the triangle.
(looking forward for someone who will asnwer this..ty in advance =)
Click here to see answer by Edwin McCravy(2087) |
Question 150120: A circular flower bed is 7 meters in radius. Santan bushes are to be planted around the edge. If they are to be about half a meter apart, how many bushes are to be planted?: A circular flower bed is 7 meters in radius. Santan bushes are to be planted around the edge. If they are to be about half a meter apart, how many bushes are to be planted?
Click here to see answer by checkley77(3654) |
Question 149615: What is the circumference of a circle with a radius of 4.1 m? Round to the nearest tenth.Use pi=3.14
Thanks,
Amanda: What is the circumference of a circle with a radius of 4.1 m? Round to the nearest tenth.Use pi=3.14
Thanks,
Amanda
Click here to see answer by jim_thompson5910(9401) |
Question 149615: What is the circumference of a circle with a radius of 4.1 m? Round to the nearest tenth.Use pi=3.14
Thanks,
Amanda: What is the circumference of a circle with a radius of 4.1 m? Round to the nearest tenth.Use pi=3.14
Thanks,
Amanda
Click here to see answer by stanbon(19020) |
Question 149467: There is a park 27 feet wide that is between two buildings whose heights are 123 feet and 111 feet. two teachers, mr. naeher and ms. snyder are standing on top of the shorter building looking at a rare bird percheed on top of the taller building. If dr. naeher is 74 inches tall and ms. snyder is 62 inches tall, who has the samller angle of elevation while looking at the bird?? What are these angles.?
THANKS!!! :]: There is a park 27 feet wide that is between two buildings whose heights are 123 feet and 111 feet. two teachers, mr. naeher and ms. snyder are standing on top of the shorter building looking at a rare bird percheed on top of the taller building. If dr. naeher is 74 inches tall and ms. snyder is 62 inches tall, who has the samller angle of elevation while looking at the bird?? What are these angles.?
THANKS!!! :]
Click here to see answer by tryin2bhelpful(6) |
Question 149472: ice cream scoops are often 1.25 inches in diameter. how many scoops should you get from a half gallon of ice cream? a half gallon container can be approximated by a cylinder with a diameter of 4.8 inches and a height of 6.5 inches.: ice cream scoops are often 1.25 inches in diameter. how many scoops should you get from a half gallon of ice cream? a half gallon container can be approximated by a cylinder with a diameter of 4.8 inches and a height of 6.5 inches.
Click here to see answer by nerdybill(1129) |
Question 149466: A squash ball fits snugly inside a cubical box whose edges are 4 cm long.
Find the percentage of the box's volume that the ball occupies.
thank you!!: A squash ball fits snugly inside a cubical box whose edges are 4 cm long.
Find the percentage of the box's volume that the ball occupies.
thank you!!
Click here to see answer by jim_thompson5910(9401) |
Question 149379: The equation of Circle P is X squared + Y squared - 6x + 4y= 21, and the equation of circle Q is X squared + y squared - 8x + 10y = 11. How do I find the difference between the centers of these circles?: The equation of Circle P is X squared + Y squared - 6x + 4y= 21, and the equation of circle Q is X squared + y squared - 8x + 10y = 11. How do I find the difference between the centers of these circles?
Click here to see answer by scott8148(2761) |
Question 149254: Find the total grazing area of a goat G, The animal is tied to a corner of a 40'x40' barn, by an 80' rope. One of the sides of the barn is extended by a fence. assume that the area is grass everywhere except inside of the barn. : Find the total grazing area of a goat G, The animal is tied to a corner of a 40'x40' barn, by an 80' rope. One of the sides of the barn is extended by a fence. assume that the area is grass everywhere except inside of the barn.
Click here to see answer by ankor@dixie-net.com(4538) |
Question 149138: What is the area enclosed by a circular sector whose radius is r and arc length is s. : What is the area enclosed by a circular sector whose radius is r and arc length is s.
Click here to see answer by edjones(2401) |
Question 149138: What is the area enclosed by a circular sector whose radius is r and arc length is s. : What is the area enclosed by a circular sector whose radius is r and arc length is s.
Click here to see answer by Earlsdon(3748) |
Question 148880: I'am an online student and I have the following Questions
True or False. If the radius of a circle is doubled, the area increases by a factor of 4.
True or False. Increasing the radius of a circle by 10 inches, increases the circumference of the circle by 20 inches.
Find the perimeter of a region bounded on three sides by a rectangle with a length of 1000 ft and a width of 600 ft and bounded above by a semicirle with a radius of 300 ft. Use 3.14 as the approximation for ( Do not include the lower half of the semicircle in the perimeter)
A)3542 ft
B)3592 ft
C)3502 ft
D)3522 ft
Find the perimeter of an equilateral triangle (all sides have equal lengths) with side lengths 4 mm
: I'am an online student and I have the following Questions
True or False. If the radius of a circle is doubled, the area increases by a factor of 4.
True or False. Increasing the radius of a circle by 10 inches, increases the circumference of the circle by 20 inches.
Find the perimeter of a region bounded on three sides by a rectangle with a length of 1000 ft and a width of 600 ft and bounded above by a semicirle with a radius of 300 ft. Use 3.14 as the approximation for ( Do not include the lower half of the semicircle in the perimeter)
A)3542 ft
B)3592 ft
C)3502 ft
D)3522 ft
Find the perimeter of an equilateral triangle (all sides have equal lengths) with side lengths 4 mm
Click here to see answer by nerdybill(1129) |
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