Giving triangle and m what is m >b

Mathematics

1 answer:

Gelneren [198K]3 years ago

6 0

Since you know the triangles are congruent/equal, you know that:

m∠A and m∠X are congruent and have the same angle, and so does:

m∠B and m∠Y

m∠C and m∠Z

A triangle is 180°. (the 3 angles have to add up to 180) To find m∠B, you can do this:

m∠A + m∠B + m∠C = 180°

21° + m∠B + 35° = 180° Subtract 21 and 35 on both sides

m∠B = 124° your answer is C

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