NCERT Class 9 Solutions: Line and Angles (Chapter 6) Exercise 6.1 – Part 3
Q5 In the figure, POQ is a line. Ray OR is perpendicular to line PQ. OS is another ray lying between rays OP and OR. Prove that
Solution,
Given,

Points O, P, Q, R, S.

POQ is a line.

Ray OR is perpendicular to line PQ.

OS is another ray lying between rays OP and OR.
To Prove,
We know that,

(Perpendicular)

………….equation (1)

………..equation (2)
Subtracting (1) from (2)
Solution:
Given,

Points P, Q, X, Y, Z and

YQ bisects
We have,

(Linear Pair)


Also,


(YQ bisects )
Again,
Now,
Also,

Reflex

