22h63578 22h63578

22-10-2020
Mathematics

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The exterior angle measure of a regular polygon Is 20 degrees. How many sides does the polygon have?
A. 20
B.18
C.9
D.16

Respuesta :

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22-10-2020

Answer:

18 sides

Step-by-step explanation:

Exterior angle = 360° ÷ n

20° = 360°/n

n× 20 = 360/n ×n

20n = 360

n= 360/20

n = 18

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