Math, asked by shihabkshihabk71, 7 months ago

One internal angle of a regular polygon is 160

degree.

a) Write the measure of one external angle .

b) Find the number of sides of the polygon​

Answers

Answered by akashbindjnvg
5

Answer:

a) 180-160=20°

b) 360/20=18

external angle 20° and 18 sides

Step-by-step explanation:

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Answered by Nehal1705
2

Answer:

If the interior angle of a regular polygon is 160° d, then the exterior angle is 20°.

The sum of all exterior angles is 360°

so there must be 360/20 sides = 18 sides

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