Question

4. In AABC, angleA = 3 anglrB and angleC = 2B + 45°. Find the measure of angle a .​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

67.5

Step-by-step explanation:

A+ B+C=180___(1)

A=3B, C=2B+45°____(2)

FROM (1)AND (2)--

3B+B+2B+45°=180

OR, 6B=180-45°=135°

OR, B=135/6.

OR, B=22.5

SO,A=22.5×3=67.5