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Earn +20 ptsQ: Find the sum of the measures of the exterior angels of a nonagon?
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An exterior angle at the base of an isosceles triangle measures 110 find the measure of the vertex angle?
40
An exterior angle at the base of an isosceles triangle measures 130 find the measure of the vertex angle?
80 degrees.
Find the sum of the interior measures of a regular hexagon?
Each interior angle of a regular hexagon measures 120 degrees. It has a total of 720 degrees of interior angles and a total of 360 degrees of exterior angles.
What is the formula to find the exterior angles?
The sum of the exterior angles of any polygon is 360 degrees.
How do you you find an exterior angle of a triangle?
you add it all
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