1929| 7
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[讨论] 求三角形边长。 |
2明经币
最佳答案(defun c:tt1 ( / i l s )
(setq pt1 (getpoint "\n选取点位置:")
pt2 (getpoint "\n选取点位置:")
r 40
l (distance pt1 pt2)
ang (* 0.25 pi))
(princ (setq b (/ (- (* l l) (* r r)) (+ (* 2 r) (* 2 l (cos ang))))))
(entmakex
(append
(list
'(0 . "LWPOLYLINE")
'(100 . "AcDbEntity")
...
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