题目内容
一圆柱体的体积是141.3立方厘米.底面周长是18.84厘米.高是( )厘米.
| A.7.5 | B.5 | C.15 |
底面半径是:
18.84÷3.14÷2
=6÷2
=3(厘米);
141.3÷(3.14×32)
=141.3÷(3.14×9)
=141.3÷28.26
=5(厘米).
答:高是5厘米.
故选:B.
18.84÷3.14÷2
=6÷2
=3(厘米);
141.3÷(3.14×32)
=141.3÷(3.14×9)
=141.3÷28.26
=5(厘米).
答:高是5厘米.
故选:B.
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