2πr=2.68,r=1cm
直径d=2r=2cm
体积=πr^2h=3.14*1*6.28=19.7192立方厘米
表面积=2底面积+侧面积=2πr^2+6.28*6.28=45.7184平方厘米
一个圆柱体的侧面积展开图是边长为6.28厘米的正方形,这个圆柱体的底面直径是()
一个圆柱体的侧面积展开图是边长为6.28厘米的正方形,这个圆柱体的底面直径是()
表面积是(0
体积是()
算式
表面积是(0
体积是()
算式
数学人气:829 ℃时间:2020-03-19 20:41:09
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