It has 2 fewer sides than a pentagon
Pentagon
decagon
hexagon, heptagon
It is a pentagon which has 5 sides
A heptagon has 7 sides and a pentagon has 5 sides so a heptagon has 2 more sides than a pentagon
It has 7 sides
You can have 0, 1, 2, or 3 pairs of parallel sides in a heptagon.
2. A nonagon has 9 sides and a heptagon has 7 sides. If you subtract 7 from 9 (9-7), only 2 sides remain.
A heptagon is a 2-dimensional shape that has 7 sides.
A heptagon sometimes known as a septagon has 7 sides
A heptagon with anything other than 7 sides is not an heptagon!
A heptagon has 7 sides and so 2*7 = 14 sides