If The Measurement Of The Interior Angel Is 90 , What Is The Measurem…

if the measurement of the interior angel is 90 , what is the measurement of the exterior angel?

Answer:

90°

Step-by-step explanation:

Required Answer:

Measurement of the exterior angle

Explanation:

Remember that interior angle and exterior angle are supplementary angles.

Now, let x be the measurement of the exterior angle.

Since the measurement of the interior angle is 90 degrees, we have

90° + x = 180°

=> 90° + x – 90° = 180° – 90°

=> x = 90°

Therefore, the exterior angle also measures 90°.

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