D123
D123
10-05-2018
Mathematics
contestada
Please help me on number 21
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mendietajose513
mendietajose513
15-05-2018
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.
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