Mathematics
Junior High
Resolved
求解
没有計算過程不給分
1. 如圖,圓的半徑為5cm,P為圓O外一點,PA與PB分別
切圓O於A、B兩點,且PA-12cm,則
(1) OP 為多少cm ?(2分)
(2) AB為多少cm?(2分)
2
B
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