【autoCAD习题5】
【autoCAD习题5】求:
1. a之直径值为和?
(1) 18.405 (2) 18.450 (3) 18.504
2. ∠ABC之角度值为何?
(1) 51.249° (2) 51.429° (3) 51.924°
3. 剖面线区域之周长为何?
(1) 129.9186 (2) 129.9618 (3) 129.9816
附图:
答案http://www.zgjxcad.com/thread-10418-1-1.html
第五题完成了! 为啥我画出来的有的尺寸总是和答案差一点呢,100和角度的尺寸都对的啊:L (2 18.450
(2) 51.429°
(1) 129.9186
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