Question

In ∆ABC, ∠A − ∠B = 63°, ∠B − ∠C = 18°.Find the measure of all the angles​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

we know that sum of all angles =180°

A+B+C=180

given that A-B=63°

B-C=18°

so A=B+63

C=B-18

B+63+B+B-18=180

3B+45=180

3B=180-45

3B=135

B=135/3=45°

so A=B+63=45+63=108°

C=B-18=45-18=27°

so the angles are 108°, 45°, 27°.