题目内容
计算下面各圆锥的体积

圆锥体积计算公式______.
圆锥体积计算公式______.
(1)
×9×3.6=10.8(立方米);
答:圆锥的体积是10.8立方米.
(2)
×3.14×32×8,
=
×3.14×9×8,
=3.14×24,
=75.36(立方分米);
答:圆锥的体积是75.36立方分米.
(3)
×3.14×(8÷2)2×12,
=
×3.14×16×12,
=3.14×64,
=200.96(立方厘米);
答:圆锥的体积是200.96立方厘米.
故答案为:V=
πr2h=
sh.
| 1 |
| 3 |
答:圆锥的体积是10.8立方米.
(2)
| 1 |
| 3 |
=
| 1 |
| 3 |
=3.14×24,
=75.36(立方分米);
答:圆锥的体积是75.36立方分米.
(3)
| 1 |
| 3 |
=
| 1 |
| 3 |
=3.14×64,
=200.96(立方厘米);
答:圆锥的体积是200.96立方厘米.
故答案为:V=
| 1 |
| 3 |
| 1 |
| 3 |
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