However, the second shape has sides which are different lengths. Back to top. Example 1. Look at these shapes and count the sides and vertices. How many sides does a pentagon and a hexagon have?

2D shapes have sides and corners. A rectangle has 4 straight sides and 4 corners. A square is a special type of rectangle, where all 4 sides are the same length. Back to top.

Let’s sing our shapes together! "Let’s sing our shapes together! Learning Goal: Count the number of sides a shape has to determine what shape it is Vocabulary: Shape, sides, one, two, three ...