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一个圆柱底面直径是0.5米,高1.8米,求它的侧面积为
一个圆柱底面直径是0.5米,高1.8米,求它的侧面积为
2025-03-15 20:10:00
推荐回答(1个)
回答1:
3.14×0.5×1.8,
=1.57×1.8,
=2.826,
≈2.83(平方米);
故选:C.
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