试解
内方外圆
2023-12-23 13:44:03
( reads)
AB:BD=2/3
CD:AC=3/4
if AD=1, then AB=2/5, CD=3/7 and then BC=6/35
know one area and can solve the rest
AB:BD=2/3
CD:AC=3/4
if AD=1, then AB=2/5, CD=3/7 and then BC=6/35
know one area and can solve the rest
万斤油
2023-12-23 19:16:08这也是我的解法，我还有另一解：