天天精选CAD绘图实例及解答(133):
求:
AB 之距离 =?
∠ABC 之角度值 =?
此图围成之面积 =?
参考画法:
AB 之距离 = 75.9174
∠ABC 之角度值 = 66.373
此图围成之面积 = 3738.5823