(中四)圓既問題

2007-06-08 2:29 am

回答 (3)

2007-06-08 6:13 am
✔ 最佳答案
∠DBF = 90
∠ABF = 180 - 38 - 24 - 90 = 28
∠BCF = ∠ABF = 28
∠BFC = 180 - 90 - ∠BCF = 62
參考: me
2007-06-08 5:03 am
∠DBF = 90
∠ABF = 180 - 38 - 24 - 90 = 34
∠BCF = ∠ABF = 34

∠BFC = 180 - 90 - ∠BCF = 56
2007-06-08 3:35 am
呃....
請問你條問題想求d咩?
唔知佢想你搵咩, 咁無得計ga喎


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