The exterior angle of a regular polygon is one-fifth of its interior angle. How many sides does the polygon have? please answer
it step by step
1 answer:
Answer:
10
Step-by-step explanation:
We know that interior plus exterior angles add to 180.
1/5 of 180 = 36
36 degrees = exterior angles
180-36=interior angles
180-36=144
To find the number of sides of a polygon you have to do 360/exterior angles
360/36=10
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