Video: Identifying Vertices of 2D Shapes

Do the two given shapes have the same number of vertices?

01:42

Video Transcript

Do the two given shapes have the same number of vertices?

We’re given a pair of 2D shapes to look at here. They look quite different, don’t they? And our question asks us to compare them. We need to decide whether there’s something similar about our shapes. Do they have the same number of vertices? We know that vertices is a mathematical word that’s used to describe the corners of a 2D shape. So we could replace the word vertices for corners in the question. Do the two shapes have the same number of corners? There’s only one way to find out. Let’s count them. Let’s put a counter on each of the corners of the first shape so we know which ones we’ve counted.

We’ll start with this corner at the top here. One, two, three, four, five, six. Our first shape has six corners or vertices. Now, let’s compare this with our second shape. Does this shape have six vertices as well? Let’s count them. One, two, three, four, five, six. Although our two shapes do look different, they both have the same number of vertices. Just goes to show, doesn’t it? Just because two shapes have the same number of vertices doesn’t mean they have to look exactly the same, does it? So, in answer to our question, do the two given shapes have the same number of vertices, we can say yes.

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