Question

If two interior opposite angles are 45 degree and 15 degree. Find exterior angle.

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Answer 1

Answer:

Interior and exterior angle formulas: The sum of the measures of the interior angles of a polygon with n sides is (n – 2)180. If you count one exterior angle at each vertex, the sum of the measures of the exterior angles of a polygon is always 360°.

Step-by-step explanation:

Alternate interior angles are angles formed when two parallel or non-parallel lines are intersected by a transversal. ... Alternate interior angles are equal if the lines intersected by the transversal are parallel.

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