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歡迎您訪問數學考題練習:等腰梯形ABCD中,∠A:∠B:∠C:∠D的值!

數學考題練習:等腰梯形ABCD中,∠A:∠B:∠C:∠D的值

更新時間:2024-01-12 16:30:34作者:貝語網校

等腰梯形ABCD中,∠A:∠B:∠C:∠D的值可能是

A.1:2:3:4

B.1:3:2:4

C.1:2:2:1

D.2:1:2:1

試題答案

C

試題解析

根據等腰梯形同一底上的兩個角相等得到,∠B=∠C,∠A=∠D,根據此再求比值就不難了.

解答:已知四邊形ABCD是等腰梯形,所以∠B=∠C,∠A=∠D,所以,∠A:∠B:∠C:∠D的值可能是1:2:2:1,故選C.

點評:本題考查的是等腰三角形的性質(等腰三角形同一底上的兩個角相等).

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