find the number of sides of a regular polygon whose each interior angle is 135 degrees
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If the interior angle is 135 degrees then the exterior angle is 180–135 = 45 degrees. This is because an exterior angle added to the interior angle must form a straight line. The exterior angles of all regular polygons must add up to 360 degrees and therefore the number of exterior angles must be 360/45 = 8
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3
Answer:
8
Explanation:
total sum of interior angles =
(number of sides-2)x180
divide both by the number of sides (n) and solve for n
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