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A polygon is a shape constructed by straight lines.

Examples: triangle 3 sides, quadrilateral 4 sides, pentagon 5 sides, hexagon 6 sides, heptagon 7 sides, octagon 8 sides ...... etc

Polygons can be regular (equal sides) or irregular (unequal sides)

Polygons have interior angles that are measured at their vertex.

To find the sum of a polygon's interior angles: (number of sides-2)*180

All polygons have a total sum 360 degrees exterior angles.

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14y ago

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