Video: Counting the Sides of 2D Shapes

Kathryn Kingham

How many sides does this shape have?

00:58

Video Transcript

How many sides does this shape have?

First, we need to think about the word “sides.” What does the word “sides” mean when we’re talking about shapes? The sides of a shape are the line segments that make up that flat shape.

Let’s highlight the sides of this shape: one, two, three. This shape has three sides. And that means we call it a triangle because triangles are three-sided flat shapes. How many sides does the shape have? Three.

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