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CBSE Class 9 Answered

If x + y = s + w, prove that AOB is straight line.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

x + y + w + s = 360o

Let x + y = s + w = t

Therefore, 2t = 360o

Or, t = 180o

Or, x + y = 180o

Thus, AOB is a straight line.

Answered by | 04 Jun, 2014, 03:23: PM
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