Sum of two opposite interior angles of a triangle is equal to it's angle.

exterior

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interior

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right

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Solution

The correct option is A exterior

For a given triangle, the sum of the two opposite interior angles is equal to the exterior angle.In the above figure, x, y are the interior opposite angles to the exterior angle A.
Hence, A=x+y

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Similar questions

An exterior angle of a triangle is equal to the sum of the two interior opposite angles.

An exterior angle of a triangle is 105^o and its two interior opposite angles are equal. Each of these equal interior angles is:

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