問題詳情
35.測量三角形二內角為65°30'10"±10"及54°20'40"±10"，據以推算之另一角應為？
(A)60°9'10"±10"
(B)60°9'10"±14"
(C)60°9'10"±20"
(D)119°50'50"±20"
(A)60°9'10"±10"
(B)60°9'10"±14"
(C)60°9'10"±20"
(D)119°50'50"±20"
參考答案
答案：B
難度：適中0.5
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