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The size of each interior angle of a regular polygon is five times the size of the exterior angle. Find the number of sides of the polygon.
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Aug 4, 2021
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Mathematics Form 1
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anonymous
The size of each interior angle of a regular polygon is five times the size of the exterior angle. Find the number of sides of the polygon.
common solids
angle properties of polygons.
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Aug 4, 2021
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anonymous
interior angle=5x
exterior= x
5x+x=180
6x=180
x=30
360/30=12
12 sides
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