把一块长6.28厘米宽4厘米,高2厘米的长方形橡皮泥,分别捏成底面半径4厘米圆柱形和圆锥形,它们的高各为多
人气：153 ℃ 时间：2019-08-20 21:30:53
解答
长方形橡皮泥体积6.28x4x2=50.24cm3
圆柱和圆锥底面积4x4x3.14=50.24cm2
所以圆柱高50.24/50.24=1cm
圆锥高1x3=3cm
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