Asked by  | 17th Jan, 2012, 03:36: PM

Expert Answer:

The two angles PSQ and PRQ are given to be complementary.
So, if one of them is x, then the other is 90o- x.
In other problems, we cannot consider it so if the condition of complement is not stated.

Answered by  | 18th Jan, 2012, 09:44: AM

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