16+-12w
-4*-4=16
-4*3w=-12w
<u>Given</u><u> </u><u>Information</u><u> </u><u>:</u><u>-</u>
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- Each exterior angle of a regular polygon has a measure of 40°
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<u>To</u><u> </u><u>Find</u><u> </u><u>:</u><u>-</u>
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- The number of sides of the polygon
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<u>Formula</u><u> </u><u>Used</u><u> </u><u>:</u><u>-</u>
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<u>Solution</u><u> </u><u>:</u><u>-</u>
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Using the formula,
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Thus, the polygon is a nonagon, and hence has 9 sides.
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