Video: Identifying Rays

What is the name of the shape?

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Video Transcript

What is the name of this shape?

To solve this problem, we’ll need to think about the features of the shape. One side of the shape has an endpoint. The other side has an arrow, indicating this shape is going on in one direction. What word do we know that could fit this description? A ray.

A ray is a part of a line that has an endpoint. More specifically, we could call this ray, ray 𝐵𝐴. Ray 𝐵𝐴 moves from endpoint 𝐵 through point 𝐴 and then continues on to infinity.

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