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The sum of the internal angles of a polygon is 2n - 4 right angles.

10440° = 10440/90 = 116 right angles.

If 2n - 4 = 116 then 2n = 116 + 4 = 120 : n = 60.

A 60 sided polygon has internal angles summing 10440°.

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14y ago
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Q: How many sides does a polygon have if its interior angles equal to the sum of 10440?
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