龍哥在△ABC 的上利用尺規作了一個基本作圖，其作圖軌跡如右圖所示，請問下列何者是正確的？ (A)∠BAC＝∠B (B)∠APB＝∠B (C)∠APC＝2∠B (D)∠APB＝2∠C

問題詳情

11.龍哥在△ABC 的上利用尺規作了一個基本作圖，其作圖軌跡如右圖所示，請問下列何者是正確的？

(A)∠BAC＝∠B
(B)∠APB＝∠B
(C)∠APC＝2∠B
(D)∠APB＝2∠C

參考答案

答案：C
難度：計算中-1
書單：沒有書單，新增

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