4 years ago

Please help me out..........

Mathematics

2 answers:

dmitriy555 [2]4 years ago

8 0

If this is an isoceles triangle, then A = 100° because m<R must equal 180 which would have <b = 40°

alexira [117]4 years ago

4 0

1. since PQ and RQ are equal, both 40°

2. i sliced them into right triangle: 40° + other angle should equal 90 so 90 - 40 = 50

3. 50 + 50 = 100°

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