what is heptagon and octagon? Share with your friends Share 1 Chumki answered this 7-sided polygon is called heptagon8-sided polygon is called octagon 2 View Full Answer Abhiramkrishnasharma answered this 7 sided polygon is called heptagon and 8 sided polygon is called octagon. 0 Pranav Prakhar answered this A seven sided figure is called a heptagon.a eight sided figure is called a octagon. 0 Shruti answered this HeptagonThis picture features a heptagon. A heptagon is apolygonwith 7 sides and 7 interior angles..OctagonThis picture features an octagon. An octagon is apolygonwith 8 sides and 8 interior angles which add to 1080 degrees. 1 Snigdha answered this HEPTAGON means 7-sided polygonOCTAGN means 8-sided polygon.PLS THMBSUP 1