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suter [353]
3 years ago
13

Please help me on number 21

Mathematics
1 answer:
max2010maxim [7]3 years ago
5 0
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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