Question

Here is a ray OA. It starts at O and passes through the point A. It also passes through
point B.
Can you name it as OB? Why?
Can you write the ray OA as AO ? Why? Why not?
2018lig Give reasons.
cw​

Answer 1

Answer:

We can name it as OB because the ray also passes through point B. We can't write it OA as AO because the ray has one initial point but no end point. If we change OA to AO, it will completely change the ray. Hope this helps.