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12.If the polygon is regular,what is the measure of angle d?

13.Find the angle sum of the interior angles of the polygon.​


12If The Polygon Is Regularwhat Is The Measure Of Angle D13Find The Angle Sum Of The Interior Angles Of The Polygon class=

Sagot :

Answer:

12.

Each exterior angle = 360 / 5

Each exterior angle = 72°

So angle d = 72°

13.

Sum of interior angles = (n-2)×180

n = 6, since polygon is a Hexagon or has 6 sides,

Sum of interior angles = (n-2)×180

Sum of interior angles = (6-2)×180

Sum of interior angles = (4)×180

Sum of interior angles = 720°

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