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The diagram shows part of a regular polygon. Determine the number of sides for the polygon

8
9
10
11

The diagram shows part of a regular polygon. Determine the number of sides for the-example-1
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User AnhellO
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n = sides
360÷n = one exterior angle
360÷n=40
360÷40=n
n=9
answered
User Alexander Burov
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7.9k points

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