the surface area of a sphere is same as the curved surface area of a right circular cylinder whose height and diameter are 6 cm each . the radius of the sphere is
"solution 4 î r 2 = 2 î 3 x 6 â ‡ ’ r 2 = ( 3 x 6 / 2 ) â ‡ ’ 9 â ‡ ’ r = 3 cm . answer a"
sqrt(divide(multiply(multiply(const_pi, multiply(6, divide(6, const_2))), const_2), multiply(const_pi, const_4)))