pls. explain with a figure.

Asked by pcoolboy | 11th Dec, 2009, 06:44: PM

Expert Answer:

PQ is a line,

By linear pair axiom,

POS + ROS + QOR = 180o

Now, QOR = 90o

POS + ROS =  90o ....... (1)

QOS - POS =  ROS + QOR - POS

Now, Using (1)

QOS - POS = ROS + QOR - POS

QOS - POS = ROS + QOR -  90o +   ROS

Since, QOR =  90o

QOS - POS = 2ROS

Answered by  | 14th Dec, 2009, 03:03: PM

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