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Question
Find the unknown marked angles in the given figure:
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Solution
In the figure,
∠A + ∠B + ∠C = 180° .....(Sum of angles of a triangle)
k°+ k°+ k°= 180°
⇒ 3k° = 180°
⇒ k° =`(180°)/3=60°`
Hence ∠A = k° = 60°, ∠B = k° = 60°
and ∠C = k° = 60°
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