5 genius!
A decagon has five more sides.
A decagon has 10 sides, and a quadrilateral has 4 sides, therefore a decagon has 6 more sides than a quadrilateral.
a decagon only has 10 sides so 2 more sides
A decagon has 10 sides A heptagon has 7 sides Therefore a decagon has 10 - 7 = 3 more sides than a heptagon.
A decagon has 7 more sides than a triangle. A triangle has 3 and a decagon has 10.
An octagon has -2 [negative 2] more sides than a decagon.
Decagon has 10 sides, and a Hexagon has 6 sides.
A decagon has 10 sides and a square has 4. So 10-4=6 more sides
A decagon has 10 sides. Any regular polygon with four or more sides will have pairs of sides that are parallel. A decagon will have 5 pairs of parallel sides.
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A decagon has 10 sides. Any regular polygon with four or more sides will have pairs of sides that are parallel. A decagon will have 5 pairs of parallel sides.