# how can you tell when an exterior angle is equal to another exterior angle without making the mistake of looking at an interior angle?so basically the differences, how to spot

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yup thats rightif the interior angles are equal the the exterior angles are equal since int angle + ext angle = 180 degrees

well, the way i would solve your problem, would be by actually looking at the sizes of the interior angles, if they match, then the exteriors should be equal too.