seven
A heptegon or a septegon.
The correct spelling is "heptagon" (7-sided figure).
a Heptagon has 7 sides and 7 angles.
An heptagon has 7 sides and a triangle has 3 sides
The name is a HEPTEGON. Remember from Latin. 1 = mono or uni 2 = bi or di 3 = tri 4 = tetra 5 = penta 6 = hexa 7 =- hepta 8 = octa 9 = none 10 = deca.