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Clearnote
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Junior High
Mathematics
想問第4小題
Mathematics
Junior High
6 monthsago
心
想問第4小題
如右圖,PA、PB分別 切圓O於A、B兩點, O 若PA=24,OP=25, 則: (1)圓半徑=? (2)∠AOB+∠APB=? (3)四邊形 OAPB面積=? (4) AB= ? 譯: (1) √625-576=149=7 (2) 360-(90+90) = 180 7 B 24 5 (3) 7x24 = 7×24 = 168 (4) ABX OP 2 AB = 33 =168
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