Questions on Geometry: Geometric formulas answered by real tutors!

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Question 95850: A square has diagonals of length 8 cm. Find the length of its sides.
Click here to see answer by edjones(8007)

Question 95895: A new reserve is an equilateral triangle with sides 200 m. It is to be surfaced with instant turf. Find the area of turf needed to grass it.
Click here to see answer by checkley71(8403)

Question 96177: x+3y square for x=3.4 and y=3
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Question 96499: What dimension of a circle is always smaller than the other one?
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Question 96736: Right triangle where A, B and C represent the three points of the triangle. Angle A is 90 deg., C is 88 deg. and B is 2 deg. If base line AB is 20 feet, what is the length of the short line AC?
Click here to see answer by scott8148(6628)

Question 96833: the problem is: Find the next term in the sequence 1/2, -4, 32 _
I believe the answer to be -256
could someone please tell me if I am correct?
Click here to see answer by jim_thompson5910(35256)

Question 96851: The ideal male body weight, w (in pounds), can be determined from a man's height, h (in inches) using the formula w = 110 + 5(h-60). Solve the formula for h and write a reason for each step. Use the results to find the height of a man with an ideal weight of 135 pounds.
Click here to see answer by Earlsdon(6294)

Question 97013: Find the coordinates of the midpoint of
a segment having the given endpoints.

A (8,4) B (12,2)
Click here to see answer by stanbon(75887)

Question 97052:
Find the coordinates of the missing endpoint given that P is the midpoint of NQ.
Q (3,9) P(-1,5)
Click here to see answer by checkley71(8403)

Question 97051:
Find the coordinates of the missing endpoint given that P is the midpoint of NQ.
Q (3,9) P(-1,5)
Click here to see answer by checkley71(8403)

Question 97051:
Find the coordinates of the missing endpoint given that P is the midpoint of NQ.
Q (3,9) P(-1,5)
Click here to see answer by stanbon(75887)

Question 97144: The ideal male body weight, w (in pounds), can be determined from a man's height, h(in inches) using the formula w=110+5(h-60). Solva formula for h and write a reason for each step.
Click here to see answer by checkley71(8403)

Question 97377: Find the smallest angle in the triangle whose sides have length 35.6cm, 58.43cm,and 52.23.
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Question 97611: please help me solve this problem: does a plane have edges?
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Question 97615: PLEASE HELP ME SOLVE THIS PROBLEM: CAN A GIVEN POINT BE IN TWO LINES? IN TEN LINES?
Click here to see answer by checkley71(8403)

Question 97615: PLEASE HELP ME SOLVE THIS PROBLEM: CAN A GIVEN POINT BE IN TWO LINES? IN TEN LINES?
Click here to see answer by stanbon(75887)

Question 97931: Hello I have a trigonometry problem which I get two answers for. Would you please be able to tell me which is correct. Ta
It asks me to convert 3 radians into revolutions showing 3 decimal places.
rad/2*pie = no of revolutions
= 4.712
however if I place the 2*pie into brackets my answer
= 0.477
Would you therefore please be able to assist me. Thank you so very much.
Cheers
Click here to see answer by stanbon(75887)

Question 97941: Hi there
I have a curly trigonometry question that I simply do not understand as it is written in such a way as I have never seen before. Any assistance would be greatly appreciated. Thank you.
It asks me to evaluate tan^2 2pie/3.
Thank you so very much.

Click here to see answer by stanbon(75887)

Question 98098: dont get this at all very confusing?
Click here to see answer by elima(1433)

Question 98440: hi.i dont get how to find the second midpoint with the given midpoint, here is my question....T(6,2) [[this is 1st endpoint]]M(2,0)[[this is midpoint]] ???what is the 2nd endpoint.

Click here to see answer by edjones(8007)

Question 98542: The relationship between corresponding angles is stated as a postulate, but the relationships between alternate interior angles, consecutive interior angles, and alternate exterior angles are stated as theorems. Explain the difference
Click here to see answer by elima(1433)

Question 98718: I would like to know how to get the angle, while I know three points in three dimensional space. Point A is (0,0,0), point B is (x,y,z), and point C (x', y',z'). I want to get the angle at A. I need the equation to get the angle. Thank you very much...
Click here to see answer by scott8148(6628)

Question 99172: Joe has a total of $200 in his two pockets. He takes one-fourth of the money in his left pocket and puts it in his right pocket. He then takes $20 from his left pocket and puts it in his right pocket. If he now has an equal amount of money in each pocket, then how much money did he originally have in his left pocket?

Click here to see answer by ankor@dixie-net.com(22740)

Question 99209: The sum of seven consecutive integers is 980. How many of them are prime? Name the prime numbers.
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Question 99209: The sum of seven consecutive integers is 980. How many of them are prime? Name the prime numbers.
Click here to see answer by Adam(64)

Question 99993: how do i get the answer for this?...(< = angle)
m m
Click here to see answer by edjones(8007)

Question 100008: How much of a liquid with a 30% alchohol content and how much of a liquid with a 100% alcohol content should be added to end up with 42 milliiters of with a 50% alcohol content?
Click here to see answer by Nate(3500)

Question 100366: Diana has a large family. When consideriing their birthdays in terms of calendar dates (1st through 31st), she noticed that every prime day had at least one person's birthday. This was also true for all perfect squares, cubes, and multiples of 3, 5, 7, and 11. What day(s) are not represented by anyone in her family?
Click here to see answer by scott8148(6628)

Question 101855: i need to know what the diagonal measure is of a 16 foot square to find out whaqt the center point would be to build a shed
Click here to see answer by stanbon(75887)

Question 102235: what is the perimeter of a square if the length of the diagonal = 5?
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Question 103180: circumference of a circle
solve for r: c=2*3.14r

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Question 104400: Hello,

The geometric mean of a number and 3 is 9. I need help finding the number using the formula g=(sqrt)ab.

Thank you
Click here to see answer by stanbon(75887)

Question 105605: [1]find the equation of a straight line with slope -1/3 which passes through a point[-2,5] [2]state the gradient and y intercept of these lines [a]3x-4y-12=0 [b]4x+5y=10????????????? eddy
Click here to see answer by elima(1433)

Question 106382: I dont no if this is a Geometric Formula but this is my first time taking geomatry and it's all really new to me. So i hope someone might help. First and formost i don't understand what it means when they ask me to give an example of of the use of parallel lines in sports. And i also don't understand planes, and what they mean when they ask, " is A B and C coplaner? I dont no if someone can help but if you can get at me please. thankx.
Click here to see answer by stanbon(75887)

Question 106922: A sheet of paper is yellow on the top side and blue on the bottom side. The lower-right corner is folded to the left side of the paper so that the resulting figure is a yellow rectangle above a blue triangle. The width of the paper is 10 cm, and equal areas of blue and yellow appear after the folding. What is the area of one side of the paper.
Click here to see answer by scott8148(6628)

Question 108186: Points A, B, C, and D are arranged in order on a line so that AB = 3BC and BC = 2CD. What fraction of AD is BD?
Click here to see answer by edjones(8007)

Question 108317: Find the equation, in slope-interceipt form, of the line that passes through the points (5,6) and (-7,3).
Click here to see answer by MathLover1(20850)

Question 108188: Points A, B, C, and D are arranged in order on a line so that AB = 3BC and BC = 2CD. What fraction of AD is BD?
Click here to see answer by ankor@dixie-net.com(22740)

Question 109071: the area of a square is 324 yd^2. what is the lenght of each side? s^2=324 not sure where to go now?
Click here to see answer by ankor@dixie-net.com(22740)

Question 109700: the formula for finding the distance between two end points that are set up like this A(6,2) B(0,-3)

Click here to see answer by jim_thompson5910(35256)

Question 109989: y = 3x
y = 3x + 10
i need to find the distance between the parallel lines
Click here to see answer by scott8148(6628)

Question 109993: With (p,q) and (r,s) how do you find the length of the segment with those end points???????
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Question 110034: Suppose that a gallon of wall paint costs $40 and covers 150 sq ft. Three rooms of the house measure 10 ft by 12 ft, 12 ft by 14 ft and 12 ft by 16 ft. The ceiling is 11 ft high. Use this information and equations and formulass to answer the first 4 questions.
How many gallons of paint are needed to cover the wall of these rooms if you make no allowance for the doors and windows?
Just the walls not the ceilings?
Round up to next gallon since can't buy part of a gallon.
Click here to see answer by josmiceli(19441)

Question 110737: I want to put a green carpet in a room which is 10ft by 12ft a plum carpet in a room that is 12ft by 14ft and a blue carpet in a room that is 12ft by 16ft. Calculate the amout of each type of carpeting i would need. Suppose the carpet is $24 per sq yard. Calculate the cost of carpeting the rooms. Always round up to the next number.
Click here to see answer by josmiceli(19441)

Question 110736: Suppose you wish to paint the walls of the 10 ft by 12ft room green, the walls of the 12ft by 14 ft room off white and the walls of the 12 ft by 16 ft room blue. how much green, off white and blue paint do you need? Calculate the cost of painting the three rooms.
Gallon paint cost $40 and covers 150 sq ft
Click here to see answer by josmiceli(19441)