Question

一、一个圆柱形水桶（无盖）底面直径为30CM,高为40CM,这个水桶可以装多少毫升水?

Answer 1

V=SH R=30/2=15CM

=3.14*15*15*40

=28260CM的立方=28260ML

V=SH

=3.14*4*4*1.2

=60.228M的立方=60.228T