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by Akansha » Thu May 12, 2011 7:40 pm
Sorry!! please refer to this attachment which has the problem.
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by pemdas » Fri May 13, 2011 2:30 am
X=180-z-y
+
X=360-(180-y)-(180-z)-90=y+z-90
2X=90, X=45`
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