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
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
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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