Mathematics
Senior High
3番の解き方を教えてください！
万の7 次のような へABC において, 残りの辺の長き と角の大きさを求めよ。
昌 2=3, <=ニ3 。 アニ60? (⑳ <=Y6, 5=3+ 3, C=45
⑳ 2たV6, 2=ソ8 1 c=2 (④ g=マ2 , B=45'、C=1QS*
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