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一个圆柱的底面直径是4厘米，高5厘米，它的侧面积是______，表面积是______，体积是______
一个圆柱的底面直径是4厘米，高5厘米，它的侧面积是______，表面积是______，体积是______
2025-03-13 04:02:53
推荐回答（1个）
回答1：
侧面积：3.14×4×5=62.8（平方厘米），
表面积：3.14×（
4
2
）
2
×2+62.8，
=3.14×4×2+62.8，
=25.12+62.8，
=87.92（平方厘米），
体积为：3.14×（
4
2
）
2
×5，
=3.14×4×5，
=62.8（立方厘米），
答：它的侧面积是62.8平方厘米，表面积是87.92平方厘米，体积是62.8立方厘米．
故答案为：62.8平方厘米；87.92平方厘米；62.8立方厘米．
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