[問題] 正三角形內畫圓
大家好~
小弟最近在自學 autocad
練習畫書上範例時遇到不少困難...
想請板上高手給盞明燈:
1. 邊長75的正角形內有三個一樣大小的圓，兩兩相切。
邊
邊圓邊
邊圓圓邊 <---大概像這樣... 囧>
2. 三角形三邊長為 69、74、82，裡面有兩個圓，右邊的半徑 15，左邊的未知，
兩圓相切於邊及另一圓。
邊
69 邊 邊 74
邊 邊
邊 圓? 圓15 邊 <---示意圖...Orz
82
感謝各位!
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