Question

一圆柱体底面积的直径等于高,设圆柱体的体积为v,高为h.

Answer 1

直径=高=h

半径=1/2h

v=3.14(1/2h)^2h=3.14h^3/4

v=48cm3时,

h^3=48*4/3.14=61.146496815287

h=3.9396459441029≈3.94厘米