圆柱底面半径 = 6 ÷ 2 = 3cm高 = 6cm底面积 = 9π = 28.26 cm^2底面周长 = 6π = 18.84 cm侧面积 = 底面周长x高 = 18.84 x 6 = 113.04cm^2表面积 = 侧面积 + 2底面积 = 113.04 + 2 x 28.26 = 169.56 cm^2体积 = 底...