CBSE Class 9 Answered
pls. explain with a figure.
Asked by pcoolboy | 11 Dec, 2009, 06:44: PM
Expert Answer
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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 | 14 Dec, 2009, 03:03: PM
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