Exercise. Complete each drawing by adding the missing detail. 补全平面立体及其表面上各点的三投影。 (1)Draw a prism and get points on the surface(2)Draw a pyramid and get points on the surface. 画三棱柱及各点的三投影。 画五棱锥及各点的三投影。 Q (b) b" C 解答 解答 请点击解答显示其内容 7 a" Exercise. Complete each drawing by adding the missing detail. 补全平面立体及其表面上各点的三投影。 （1）Draw a prism and get points on the surface. 画三棱柱及各点的三投影。 c' a' (b') a a" b (c") c b" （2）Draw a pyramid and get points on the surface. 画五棱锥及各点的三投影。 a b c a' b' c" 请点击解答显示其内容 (c') (b")