圆柱底面周长15.7厘米,高6厘米,求圆柱表面积与体积

圆柱的底面半径
=15.7÷[2×3.14]
=15.7÷6.28
=2.5厘米
圆柱的表面积
=3.14×2.5×2.5×2+15.7×6
=39.25+94.2
=133.45平方厘米
圆柱的体积
=3.14×2.5×2.5×6
=117.75立方厘米