Triangle PQR is isosceles and ∠PQR measures 50°. Which of the following could be the measure of ∠PRQ? (Indicate all of the answer choices that apply.) -题库考试答案搜索网

Triangle PQR is isosceles and ∠PQR measures 50°. Which of the following could be the measure of ∠PRQ? (Indicate all of the answer choices that apply.)

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2022-03-03 09:46

A、60°
B、65°
C、80°
D、100°
E、130°

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正确答案

B | C

试题解析

因为⊿PQR为等腰三角形，所以当∠PQR为顶角时，∠PRQ=65°；当∠PQR为底角时，∠PRQ=80°，故本题选择BC。

标签：国外英语考试 GRE

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