# NCERT Class 9 Solutions: Line and Angles (Chapter 6) Exercise 6.1 – Part 3 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Q-5 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,

Give point O, P, Q, R, S and POQ is a line. Ray OR is perpendicular to line PQ. OS is another ray lying between rays OP and OR.

Prove,

Equation, (Perpendicular)

… equation (1) … equation (2)

Subtracting (1) from (2)

Q-6 It is given that and XY is produced to point P. Draw a figure from the given information. If ray YQ bisects , find and reflex

Solution:

Give point of P, Q, X, Y, Z and

YQ bisects

(Linear Pair)

Also,

(YQ bisects )

Now,

Also, reflex