✨ Best Answer ✨
圓外一點到兩切點等距
故 PB=PA=18
同理,CA=CQ=x,DB=DQ=y
△PCD周長=(18-x)+x+y+(18-y)=36
謝謝您!!🤧
對我來說太難了(哭)求各位大佬幫幫忙
✨ Best Answer ✨
圓外一點到兩切點等距
故 PB=PA=18
同理,CA=CQ=x,DB=DQ=y
△PCD周長=(18-x)+x+y+(18-y)=36
謝謝您!!🤧
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跟上一題一樣的觀念
∠POQ=360-48-90*2=132
=2∠1+2∠2
∠BOC=∠1+∠2=66