【autoCAD习题28】
【autoCAD习题28】求:
1. AD之直线距离为何?
(A) 119.1458 (B) 119.1584 (C) 119.1845
2. ∠ABC之角度为何?
(A) 122.367° (B) 122.673° (C) 122.736°
3. 剖面线区域之面积为何?
(A) 4793.5256 (B) 4793.5562 (C) 4793.6525
答案http://www.zgjxcad.com/thread-9894-1-1.html
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