Chapter 2.5, Problem 15PSB

To determine

To draw: a right angle ABC and a dotted line such that the reflection of BA over the dotted line is BC. To draw conclusion about the dotted line.

Explanation of Solution

  

The dotted line is bisector of $\angle ABC.$

Since BA is reflection of BC, and $\angle ABC$ is right angle, therefore angle made by dotted line with each of AB and BC must be equal and hence each angle is ${45}^{\circ }$