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Clearnote
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Junior High
Mathematics
想問第八題
Mathematics
Junior High
Solved
7 monthsago
昕
想問第八題
7.若AB為圓O的一弦,且AB大於半徑,則圓心角 (A)7.若 ∠AOB的度數不可能為多少度? 2. 如右圖, ( (A) 50° (C) 120° (B)90° (D) 130° 8.如右圖,四邊形ABCD 為圓內接四邊 形,E點為 AD BC 延長線的交點, F F點為AB、CD延長線的交點,若∠ D=40°、∠F=25°,則∠E=? (A) 650 (B) 70° (C) 75° (D) 80° ( ) BCD=- DC E 140 O K-KB 數
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✨ Best Answer ✨
丁輝人的貓
7 monthsago
如圖
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