Ask a New Question

Question

A cylinder has a surface area of 250cm2. The height is twice as big as the radius. What is the height of the cylinder?
13 years ago

Answers

Reiny
h = 2r

SA = 2πr^2 + 2πrh
= 2πr^2 + 2πr(2r)
= 6πr^2

6πr^2 = 250
r^2 = 125/(3π)
r = 3.6418..
h = 2r = 7.28....
13 years ago

Related Questions

The surface area of a cylinder is 200cm. The diameter is equal to the height. Find the radius. the surface area of a cylinder with a radius of 21 cm and a height of 42 cm. Use 22/7 for pi . the surface area of a cylinder is 500 square feet; the lateral surface area is 320 square feet. give... A cylinder has a surface area of 339 square centimeters and a radius of 6 centimeters. Estimate the... Surface area of a cylinder find the surface area of the cylinder the base of the cylinder is 7 cm a... The surface area of a cylinder can be expressed by the formula SA=2(3.14)r%2+2(3.14)rh Which formul... A cylinder has a surface area of 54π cm2%0D%0A54%0D%0A%0D%0A cm%0D%0A2%0D%0A . If it were dilated u... A cylinder has a surface area of 54π cm cm^2 . If it were dilated using a scale factor of 1/2 , wh... A cylinder has a surface area of 54π cm2 . If it were dilated using a scale factor of 12 , what is... A cylinder has a surface area of 54π cm2 . If it were dilated using a scale factor of 1/2 , what i...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use