1.

Find the measure of an interior angle and an exterior angle of a regular pentagon

Answer»

ANSWER:

interior is 108 degrees and exterior is 72 degrees

Step-by-step explanation:

The TOTAL sum of angles in a POLYGON is (n-2)*180 degrees, where n is the number of sides....here n is 5 so total angle is 540 degrees.....no there are 5 angles and in regular polygon all angles are equal so interior angle is 540/5=108 degrees.......by using linear pair concept , exterior and interior angles are supplementary, so exterior angle =180-interior,

so exterior= 72 degrees



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