A heptagon has 7 sides and so 2*7 = 14 sides
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A heptagon has seven sides and a pentagon has five. So 2 heptagons and 2 pentagons have 2*7 + 2*5 = 14 + 10 = 24 sides altogether.
heptagons have 7 sides
A heptagon has seven sides, a quadrilateral has four, and a triangle has three. So 4 heptagons, 2 quadrilaterals, and 3 triangles have 4*7 + 2*4 + 3*3 sides = 28 + 8 + 9 sides = 45 sides.
Polygons are 2D plane figures. All polygons with 7 sides would be classified as heptagons.
No. Regular heptagons (seven sides) doesn't tessellate alone.