In a triangle ABC, angle A = y degree and angle B =80 degree and angle – InterviewSolution

1.	In a triangle ABC, angle A = y degree and angle B =80 degree and angle C = 20 degree , find angle A
Answer» a=80°Step-by-step EXPLANATION:a+b+c=180°a+80+20=180°a=180-100a=80°

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