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Byju's Answer
Standard IX
Mathematics
Exterior Angle of a Triangle = Sum of Opposite Internal Angles
Find the meas...
Question
Find the measure of each exterior angle of an equilateral triangle.
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Solution
We know " An exterior angle of a triangle is equal to the sum of the opposite interior angles. "
And each interior angle of equilateral triangle is 60° .
So,
Each exterior angle of equilateral triangle = 60° + 60° = 120° ( Ans )
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Exterior Angle of a Triangle = Sum of Opposite Internal Angles
Standard IX Mathematics
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