圆柱的底面直径是6分米,高是8分米,与它等底等高的圆锥的体积是( )立方分米. A.113.04 B.226.08 C.75.36
问题描述:
圆柱的底面直径是6分米,高是8分米,与它等底等高的圆锥的体积是( )立方分米.
A. 113.04
B. 226.08
C. 75.36
答
×3.14×(1 3
)2×86 2
=
×3.14×9×81 3
=75.36(立方分米),
答:圆锥的体积是75.36立方分米.
故选:C.