如题所述
若有上下底,那么表面积是:圆的周长是:2×3.14×3=6.28×3=18.84cm
因此圆柱形的表面积是:
18.84×6.5+3.14×3²
=122.46+3.14×9
=122.46+28.26
=150.72cm²
圆柱形的体积是:
3.14×3²×6.5
=3.14×9×6.5
=28.26×6.5
=183.69cm³
因此圆柱形的表面积是:
18.84×6.5+3.14×3²
=122.46+3.14×9
=122.46+28.26
=150.72cm²
圆柱形的体积是:
3.14×3²×6.5
=3.14×9×6.5
=28.26×6.5
=183.69cm³
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