Question

Name a line and plane shown in the diagram

Answer 1

The line can be named by either of the points in it. P or Q

The plane is named by any points in it. R, S, P or Q

Answer 2

Line = To get a Unique line you need two distinct points.

In the given figure PQ is a line.

A plane is either a two dimensional or three dimensional surface such that if you take any two points on it ,the line joining these two points will completely lie on it.

You can name a plane by Single Alphabet or Set of Alphabet.

So,the plane can be Named as: P,Q,R , S→Single Alphabet or

P Q,PS,SR, R Q,→Using two Alphabet,

→ P QR, P Q S,......,P Q RS.