Question
the surface area of a cylinder is 500 square feet; the lateral surface area is 320 square feet. give the area of the base
Answers
Steve
well,
2πr^2+2πrh = 500
2πrh = 320
So, 2πr^2 = 180
πr^2 = 90
2πr^2+2πrh = 500
2πrh = 320
So, 2πr^2 = 180
πr^2 = 90