求: 1.R5弧之长度为何? (A)15.3876 (B)15.3687 (C)15.3768 2.扣除内孔后之面积为何? (A)3561.5719 (B)3561.7195 (C)3561.9175...
- AutoCAD基础练习题
CAD基础级练习题及详细答案(39)
求: 1.剖面线区域之周长为何? (A)106.0164 (B)106.0416 (C)106.0641 2.最外围之面积为何? (A)4825.4386 (B)4825.4638 (C)4825.4...
CAD基础级练习题及详细答案(38)
求: 1.半径25之弧长为何 ? (A)63.4083 (B)63.4380 (C)63.4803 2.红色剖面线区域之面积为何 ? (A)2025.1178 (B)2025.7118 (C)2025...
CAD基础级练习题及详细答案(37)
求: 1.a之长度为多少? (A)82.3037 (B)82.3307 (C)82.3703 2.∠ABC形成之角度为何? (A)89.069° (B)89.609° (C)89.960°...
CAD基础级练习题及详细答案(36)
求: 1.A距离为多少? (A)82.2073 (B)82.2307 (C)82.2703 2.剖面线区域D所为成之周长为何? (A)183.5677 (B)183.5767 (C)183.5777 ...
CAD基础级练习题及详细答案(35)
求: 1.a之距离为何? (A)92.0296 (B)92.0692 (C)92.0926 2.剖面线区域之周长为何? (A)99.0576 (B)99.0657 (C)99.0756 附图: ...
CAD基础级练习题及详细答案(34)
求: 1.半径A为何? (A)11.0077 (B)11.0707 (C)11.0770 2.扣除内孔及八个小圆后之面积为何? (A)2684.024 (B)2684.204 (C)2684.402 ...
CAD基础级练习题及详细答案(33)
求: 1.a之长度为何? (A)22.9565 (B)22.9656 (C)22.9666 2.b之距离为何? (A)22.4178 (B)22.4718 (C)22.4817 3.ABCDE围成之面...
CAD基础级练习题及详细答案(32)
求: 1.a之距离为何? (A)91.5699 (B)91.5969 (C)91.5996 2.b之距离为何? (A)61.9487 (B)61.9784 (C)61.9847 3.ABFC围成之面积...
CAD基础级练习题及详细答案(31)
求: 1.小圆之直径为何? 2.小圆之数量为何? 附图: 提示:50阶即为50层 答案: 1.小圆之直径=1.9711 2.小圆之数量=1275 附图: 解题要点、制图步骤: 本题关键是: 1、层叠圆...



