3.In AABC, ZA: ZB: ZC = 3:7: 8. The measure of exterior angle formed b – InterviewSolution

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3.In AABC, ZA: ZB: ZC = 3:7: 8. The measure of exterior angle formed by producing AB is

Answer»

Answer:

Step-by-step explanation:

3x+7x+8x=180

18x=180

X=10degree

Exterior angle B=ZA+ZC

=70+80

;; =150degree

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