# Questions on Geometry: Geometric formulas answered by real tutors!

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 Question 308430: What is the sum of the odd intergers between 10 and 90? Click here to see answer by Alan3354(47455)

 Question 308616: The vertices of a triangle are A(16, 0), B(9, 2), and C(0, 0). What are the slopes of its sides? What are the slopes of its altitudes? Even if you don't have time to actually solve this for me, I'd really appreciate any input on how to solve these kinds of problems. Thank you so much and have a great day! Click here to see answer by vksarvepalli(154)

 Question 309220: Please help me with this equation: what is the sum of the measures of the exterior angles of a convex hexagon, one at each vertex? Click here to see answer by Alan3354(47455)

 Question 309647: A rectangle is 5 times as lon as it is wide. If the area is 125 square feet, find the perimeter. Click here to see answer by checkley77(12844)

 Question 310574: What is the geometric mean of 8 and 20 I did 8/x = x/20 xsquared = 8*20 x = sqrt160 x=12sqrt16 I don't know what I did wrong because the answer in the back of the book is not 12sqrt16 :( thank you for your help. Click here to see answer by user_dude2008(1861)

 Question 311574: The base of a triangle is one-third as long as its height. If the area of the triangle is 24 square meters, how long is its base? Click here to see answer by mananth(14512)
 Question 311574: The base of a triangle is one-third as long as its height. If the area of the triangle is 24 square meters, how long is its base? Click here to see answer by rfer(15570)

 Question 312048: Estimate the number of cubic inches of metal contained in a cylinder with a rectangular shaped opening in the middle if: the cylinder has a diameter of 14 inches and a height of 14 in. The rectangular hole is 7 inches by 7 inches with a height of 30 inches Click here to see answer by Fombitz(25151)

 Question 312049: Estimate the number of cubic inches of metal contained in a cylinder with a rectangular shaped opening in the middle if: the cylinder has a diameter of 14 inches and a height of 30 in. The rectangular hole is 7 inches by 7 inches with a height of 30 inches Click here to see answer by Fombitz(25151)

 Question 312505: you solve a problem. the answer on the calculator is 1084.346. you are supposed to round the answer to the nearest hundredth. you write down 1084.3 as the answer. is this answer correct or incorrect. why or why not Click here to see answer by Fombitz(25151)

 Question 314957: What is the formaula for to find the volume of a cyllinder? Click here to see answer by Fombitz(25151)

 Question 314960: What is the formula for the volume of a circle? Thanks! Click here to see answer by Fombitz(25151)

 Question 315195: what is the equation of the line through points (-3,2) and (-4,5) Click here to see answer by CharlesG2(834)

 Question 315406: need to build an modified ellipse for my wife. consider the center at (0,12'4") and one other point that we are sure of is at (48',6') X is the major axis. the ellipse is modified since it will end at the (48',6') point as a vertical line. Have looked at the formula for the equation, but i am not sure that i have enough information. HELP! and save me from my wife's impatience. Click here to see answer by jim_thompson5910(33401)

 Question 281561: A triangle has vertices K(-2,2), L(1,5) and M (3,-3). Verify that the triangle has a right angle Click here to see answer by J2R2R(94)

 Question 318812: two angles are congruent and complementary. what is the measure of each? Click here to see answer by rfer(15570)

 Question 319347: Right triangle is 36cm. What is length of sides? Click here to see answer by Alan3354(47455)

 Question 319508: Generate ordered pairs from the function 3x+1 in the domain 0^x^3. I haven't done ordered pairs yet. Any help or advice would be great. Thank you. Click here to see answer by stanbon(69061)

 Question 321234: Find the sum of this infinite geometric series: 100 + 60 + 36 + ... Click here to see answer by stanbon(69061)

 Question 321149: you are going to make a box outof cardboard.the box needs to measure 10cm by5cm by 5cm;10% of the finale product will be wasted in the cutting process.how much cardboard do you need Click here to see answer by ankor@dixie-net.com(18980)

 Question 321279: For the Geometric series 1+14+16+64+256 what is the value of r ? Click here to see answer by jim_thompson5910(33401)

 Question 322436: I want to surround my 16 ft diameter,round,above ground swimming pool with sheets of 4 by 8 plywood to prevent my dogs from tearing its exterior liner, and make it decent looking by building a multi-sided polygon that will just sit against the exterior, not support the pool in any way. How many sides do I use (6, 7 or 8)for the best "fit" and what is the formula to calculate the length of each side so it the design is symmetrical. And, what is the circumference of a 6 and a 7 sided figure with 8 foot sides? With heartfelt gratitude, of thee math wizards, I humbly request. John D. Hendricks 1 818 360 3606 skyranch@earthlink.com Click here to see answer by scott8148(6628)

 Question 323017: which type of dilation is determined by a scale factor of 1/3? Click here to see answer by stanbon(69061)

 Question 323561: what is the area of an isosceles right triangle with hypotenuse 6 square root of 2 Click here to see answer by mananth(14512)

 Question 324954: what is the length and width of an object that has a perimeter of 42 inches if the width is 5 inches more than the length? Click here to see answer by rfer(15570)

 Question 325048: Which of the lists of three lengths can form a triangle? a. 1, 2, 3 b. 2, 3, 4 c. 2, 3, 5 d. 3, 5, 9 Click here to see answer by jim_thompson5910(33401)

 Question 325734: If AB <--> (it has the arrow part over AB) contains the points (19,3) and (-5,-13), what is the slope of the line perpendicular to AB <--> (again arrow part I drew over AB)? Answer has to be written as a decimal. Click here to see answer by scott8148(6628)

 Question 326049: In circle O, the midpoint of GH is point O. AB = 4x - 2 and CD = 2x + 10. Find the value of AB Click here to see answer by Fombitz(25151)

 Question 326620: what is most nearly the cost of concrete to repair a bridge wing wall. the wing wall measurement are 20 feet 6 inches long by 7 feet 9 inches wide by 10 inches thick delivered to the site concrete is \$ 81.00 per cubic yard including tax and must be ordered by the full yard Click here to see answer by mananth(14512)

 Question 329279: what is the volume of a sphere if it has a radius of 2 feet? Click here to see answer by solver91311(20879)

 Question 329296: what is the volume of the cylinder? the top is 15in.and the side 21in. Click here to see answer by Alan3354(47455)

 Question 329293: what is the slant height of a square pyramid that has a surface area of 279 square meters and a side length of 9 meters? Click here to see answer by solver91311(20879)

 Question 329291: what is the surface area of a sphere with a diameter of 12 centimeters? Click here to see answer by Fombitz(25151)