Respuesta :
Answer:
10 sure️️️️️️️️ show to your teacher which class do you raed?
Answer:
C. 20
Step-by-step explanation:
given:
exterior angle = 18°
to find the number of sides of a polygon:
the formula would be:
360 = exterior angle
n
360 = 18
n
n = 360/18
n = 20
therefore, the number of sides of a polygon is 20