试题与答案

△ABC∽△A′B′C′,如果∠A=30°,∠B=100°,则∠C′的度数等于(

题型:选择题

题目:

△ABC△A′B′C′,如果∠A=30°,∠B=100°,则∠C′的度数等于(  )

A.50°

B.100°

C.30°

D.70°

答案:

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