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"

答案:登入後查看
統計: A(5), B(22), C(2), D(2), E(0) #2415795