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Q: How many sides does a 1260 degree polygon have?

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7 sides

10

A polygon having 30 degree exterior angles is a dodecagon having 12 sides.

It has (3780+360)/180 = 23 sides

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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

7 sides

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We solve the equation for n... since the sum of the interior angles is 180(n-2) where n is the number of sides of the polygon. So we have: 180(n-2)=1260 n-2=7 n=9 So 9 sides

7 sides, which makes it a heptagon. A polygon is any shape with 3 or more sides.

48

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57

10

69

A polygon having 30 degree exterior angles is a dodecagon having 12 sides.

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