In the given figure at right, side BC of ∆ABC is produced to D. Find – InterviewSolution

1.

In the given figure at right, side BC of ∆ABC is produced to D. Find ∠A and ∠C.

Answer»

From the figure

Exterior angle = 120°

⇒ ∠C = 180° – 120° = 60° (linear pair)

∴ ∠A = 180° – (40° + 60°) = 80°

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