maths
posted by maihul .
The perimeter of the base of a cylinder is as same as the perimeter of a square whose one side is 11 cm. If the volume is 98π cm3, the height of the cylinder will be :

maths 
Reiny
perimeter of square = 4(11) = 44
let the radius of the cylinder be r
2πr = 44
r = 22/π
vol of cyl = πr^2 h
π(484/π^2)(h) = 98π
484h/π = 98π
h = 98π^2/484 = appr 7.74
check my arithmetic
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