Question

Can somebody help me please #1

Answer 1

See below.

Explanation:

a. Choose any 3 non-collinear points on the plane. For example, plane R can be described as plane OSQ.

b. "Collinear" means points that lie on the same line. Example: M, N, P (note that the line these points are on does not lie in plane R)

c.
`\overrightarrow{NM}` and
`\overrightarrow{NP}`

d. There are many. Examples: O, N, Q, S. Not M. Not P.