Question

Given three collinear points A,B,C , with B between A & C, four different rays can be named using these points AB, BA, BC, & CB. How many different rays can be named from 5 collinear points?

Answer 1

8 different rays can be named from 5 collinear points

Explanation:

Here, we are to find the number of rays that can be named from 5 collinear points

Let’s call the points A B C D E

The rays that can be named are;

AB

BA

BC

CB

CD

DC

DE

ED

This makes a total of 8 different rays