Questions on Geometry: Circles and their properties answered by real tutors!

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Question 1062816: Divide x-y/x+y by y-x/y+x
Click here to see answer by ikleyn(52776)

Question 1062884: Consider the following two circles. The segment d1 is a diameter of ⨀A and the segment d2 is a diameter of ⨀B.
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If d1=1 and d2=2r, and if CB denotes the circumference of ⨀B, which of the following equations is true?
1/2r = CB/2π
1/2r = 2π/CB
1/2r = π/CB
1/2r = CB/π

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Question 1063050: The circumference of the exceeds it's radius by 111cm, find radius of the circle
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Question 1063161: A square is inscribed in a circle of area 18pie.Find the side of the square.(with explanation)
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Question 1063160: Divide x-y/x+y by y-x/y+x with solutions
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Question 1063165: *�"A square is inscribed in a circle of area 18pi.Find the side of the square.(with explanation)�"*
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Question 1063165: *�"A square is inscribed in a circle of area 18pi.Find the side of the square.(with explanation)�"*
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Question 1063588: Rewrite this equation OF A CIRCLE IN STANDARD FORM
x^2 +y^2 +4x-y=10
and then give the center and the radios of the circle and graph.
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Question 1063766: A certain car tire is 80.4 cm in diameter. How far will the car move forward with one revolution of the wheel?
Round the answer to the nearest integer.
C=
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Question 1063885: Write the equation of the line tangent to go (x-4)^2 +y^2 = 25 at x = 9
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Question 1063899: A manhole cover has an area of 4071.5cm�. What is the diameter?
Round to three decimal places.
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Question 1064101: Find the radius of a circular railroad track that will cause a train to change direction by 17.5� in a distance of 181 m.
Round the answer to the whole.
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Question 1064099: Find the area of a segment of height 26.6 inches in a circle of radius 31.9 inches.
Round to three significant digits.
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Question 1064100: Find the arc length intercepted in a circle of radius 2.65 m by a central angle of 1.98 rad.
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Question 1064098: Find the area of a sector having a radius of 5.71 cm. and a central angle of 62.6�.
Round the answer to four decimal places.
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Question 1064195: The eqution of a circle passing through the point (4,5) and having center at (2,2) what is the answer
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Question 1064339: A square is inscribed in a circle. If the area of the square is 9 in^2, what is the ratio of the circumference of the circle to the area of the circle?
me and my in-law can't solve it. i tried many different solutions and none of them are correct. it would be great if u can help me
Click here to see answer by josgarithmetic(39616)

Question 1064393: Find the equation of the circle satisfying the given conditions (general equation)
1. Tangent to the line 4x-3y=6 at (3,2) and passing through (2,-1).
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Question 1064708: The graphite in a pencil has a diameter of 1.5 millimeters and is surrounded by wood that is 2 millimeters thick. What is the distance around the pencil? Use 3.14 for ππ. Round to the nearest millimeter.
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Question 1064705: The neighborhood park has a radius of 42 m and a path that is 2 m wide around the park. What is the circumference of the whole park?
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Question 1064899: Hello. What is the standard and general form of the equation of a circle with a center at (-6, -15) and a radius of sqrt(4)? Thank you.
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Question 1064868: A small fire broke out in Bryan's living room. He was able to put it out before it spread, but part of the carpet was burned. Bryan noticed that the diameter of the burnt floor was about 21 inches. In order for him to find a rug that will cover it he will need to determine the circumference of the area burnt. What is the circumference of the area?
Click here to see answer by Boreal(15235)

Question 1065019: An arc of a circle is 3πm long, and it subtends an angle of 72� at the center of the circle. Find the radius of the circle.
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Question 1065039: What is the circumference of a circle circumscribed around a rectangle with sides 7 cm,and 24 cm?
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Question 1065026: What is the circumference of a circle circumscribed around a rectangle with sides 7 cm and 24 cm?
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Question 1065051: A square is inscribed in a circle. If the area of the square is 9 in squared, what is the ratio of the circumference of the circle to the area of the circle?

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Question 1065027: A square is inscribed in a circle. If the area of the square is 9 , what is the ratio of the circumference of the circle to the area of the circle?

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Question 1065040: A square is inscribed in a circle. If the area of the square is 9 inches squared, what is the ratio of the circumference of the circle to the area of the circle?

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Question 1065092: I'm a returning student who was given this problem from retired exam. I have no idea about how to approach and setup the problem which is how I'd like to learn the solution. Your help requested if only to point out the steps to solve. Thank you. A circle with center at (12, -1) passes through (0, -1). Find the circumference and area of the circle in terms of pi
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Question 1065132: Find the equation of the circle which passes through points (2,-2) and (3,4) and whose centre lies on the line x + y = 7
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Question 1065132: Find the equation of the circle which passes through points (2,-2) and (3,4) and whose centre lies on the line x + y = 7
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Question 1065220: Jack decides to have a fence that encloses only his circular pool with a diameter of 7m and a 2m walkway surrounding it. How much fencing will Jack require?
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Question 1065184: Calculate radius of large circle if radius of small circle is 6cm mlo =90% opq =90% ml =8cm
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Question 1065286: How do you find the equation of the circle with centre (0,0) and passes through point (-3,7)
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Question 1065564: A circle has its center at (-4,5) and a radius of 7 units. What is the equation of the circle
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Question 1065569: Find the approximate length of the equator if the diameter of the earth is 12750km.
Thank You
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Question 1065606: A circle has a diameter of 32 cm. How far from the center of the circle, to the nearest centimeter is a chord 20 cm. long?
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Question 1065663: Quadrilateral opqr is inscribed in circle N, as shown below. What is the measure of O= (x+17)
R= (2x+19)
Q=(6x-5)
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Question 1065779: two parallel chords of length 30 cm and 16 cm are draw on the opposite sides of center of a circle of radius 17 cm find the distance between the chord
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Question 1066044: Find the standard form of the equation for the circle with the following properties. Endpoints of a diameter are (8,4) and (12,-4)
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Question 1066036: A circle with radius 3 cm is tangent to sides PQ, PS, and SR of rectangle PQRS, and passes through the midpoint of diagonal PR. The area of the rectangle PQRS, in cm^2 is:
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