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Sum of interior angles of a polygon = (2n - 4)right angles

1260 = (2n - 4) x 90

1260 = 180n - 360

900 = 180n

n = 5, it is a pentagon

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12y ago
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Anonymous

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4y ago

The interior angles of a polygon equal 1,260°. How many sides does this polygon have?

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Q: How many sides does a polygon have if the interior angles equal 1260?
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