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Zinaida [17]
3 years ago
12

Can someone do this thanks and quickly:)

Mathematics
1 answer:
MArishka [77]3 years ago
3 0

Answer:

This figure is a quadrilateral, and therefore the sum of the interior angles must be 360°.  Adding them up, we get 40° + 128° + x + 82° = 360°, or

168° + 82° + x = 360°, or  250° + x = 360.  Subtracting 250° from both sides results in 110°, which is the measure of x.

Step-by-step explanation:

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If the exterior angle of a regular polygon is 7.2 degrees, what is the name of that polygon?
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A regular polygon with exterior angle of 7.2 degrees is a 50-gon.

<h3>Regular polygon</h3>

Regular polygon are polygon that are equiangular. This simply means they are polygon with equal angles.

The formula to find the number of sides of a polygon using exterior angle is as follows:

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learn more on polygon here: brainly.com/question/12105506

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