Question

In Fig. 6.17, POQ is a line. Ray OR is perpendicular
to line PQ. OS is another ray lying between rays
OP and OR. Prove that
Angle ROS= 1/2(angle QOS - angle POS)
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Answer 1

Answer:

hope this help you..

Step-by-step explanation<1 + <2 = <3

<2 = <3 - <1

<2+<2 = 2<2 = <2+<3-<1

<2 = 1/2 (<2+<3-<1)

<2+<3 = <QOS

so,

<ROS = 1/2 (<QOS - <POS):

Answer 2

Answer:

Step-by-step explanation: