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Discover apps people built on Collabby by chatting. Run them, then remix to make them yours.

Split polygons into triangles to see why the interior angles add up to 180°×(n−2), then work out one angle of a regular polygon.

by Anonymous

Change the number of sides to split a polygon into triangles and find the interior angle sum, then see the exterior angles always total 360°.

by Anonymous

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