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Formula for calculating the sum of interior angles of polygons, demonstrated with a 7-sided shape example.

A pink hexagon illustrating the formula for the sum of interior angles of polygons, showing (n-2) × 180° with an example for a 7-sided shape.

A pink hexagon illustrating the formula for the sum of interior angles of polygons, showing (n-2) × 180° with an example for a 7-sided shape.

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