Question

VUAYANT
PAGE NO.:
DATE:
is a
POQ is a line Ray or is perpendicular to
Line PQ. os is another ray lying between
OR, Prove that :-/Ros= 1 (200S - LA
송
2
rays op and
R
Q?​

Answer 1

∠ROS=90

∘

−∠POS−(i)

∠QOS=∠QOR+∠ROS=90

∘

+∠ROS

⇒90

∘

=∠QOS−∠ROS−(ii)

Substituting (ii) in (i) we get

∠ROS=∠QOS−∠ROS−∠POS

⇒2∠ROS=∠QOS−∠POS

⇒∠ROS=

2

1

(∠QOS−∠POS)

Hence proved.

Answer 2

Answer:

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