How Many Sides?
I am a polygon with 3 sides
What is a triangle
How many angles does a triangle have?
What is 3
Name all the quadrilaterals that have 4 congruent sides
What is a rhombus and a square
a 2D shape that has straight sides, that meet at vertices.
What is a polygon
What is an open figure?
Sides don't connect on every side.