Chapter 2.3, Problem 9PSB

To determine

To Draw: conclusions from given information.

Answer to Problem 9PSB

  $\angle PAR={90}^{\circ }$

Explanation of Solution

Given information: $PA\perp AR$

  

It is given that $PA\perp AR$ and we know that if two lines are perpendicular, then angle between the lines is ${90}^{\circ }$ .

  $\therefore \angle PAR={90}^{\circ }$

Nothing can be said about other angle or sides.