問題詳情
2. 設圓內接四邊形ABCD中，已知∠B＝60°，＝3公分，＝5公分，＝2公分，試求 之長為__________公分。
參考答案
答案：B
難度：適中0.613728
統計：A(29),B(456),C(2),D(181),E(0) #
個人：尚未作答書單：身心障礙分類─美國94-142公法的分類、*最少限制環境
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