Please help me on number 21

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asked Dec 14, 2019 172k views

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Vladimir Zalmanek · Answer 1 · 2019-12-20T20:58:06+0000

21. D. is the answer. Angle Q is 75 degrees. X=30. The triangle is an isosceles angle so therefore there are 2 angles are congruent to each other, Angle R and Angle Q. All three of the angles should add to 180 degrees.

Please help me on number 21

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