Respuesta :

Answer:

A 7sided(heptagon) concave polygon.

Step-by-step explanation:

Name of polygon w.r.t sides

  • 3-triangle
  • 4-rectangle
  • 5-pentagon
  • 6-hexagon
  • 7-heptagon
  • 8-hectagon
  • 9=nonagon
  • 10-decagon