Geometry: Naming and Sorting Polygons

Terms from today for your Math Notebook


Polygons are named by number of sides: 3 sides is a triangle 5 sides is a pentagon 6 sides is a hexagon 8 sides is an octagon.

Triangles are also named by number of sides:

Equilateral Triangle has all equal sides.

Isosceles Triangle has 2 equal sides.

Scalene Triangle has no equal sides.