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Gmat Prep Tought Geometry Triangle

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Source: — Data Sufficiency |
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by sandeep07 » Wed May 28, 2008 6:40 am
Let Angle QRS be equal to Y. From Stmt 1, Angle SQR is equal to Y. So Angle PRT = (180 - 2*Y)

Let Angle UST = Z. From Stmt 2, Angle SUT = Z. So Angle UTS = (180 - 2*Z).

Sum of angles in a traingle is 180. So (180-2*Y) + (180-2*Z) + 90 = 180.

Y+Z = 135. But X+Y+Z = 180. So X = 45.
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by sandeep07 » Wed May 28, 2008 6:41 am
Let Angle QRS be equal to Y. From Stmt 1, Angle SQR is equal to Y. So Angle PRT = (180 - 2*Y)

Let Angle UST = Z. From Stmt 2, Angle SUT = Z. So Angle UTS = (180 - 2*Z).

Sum of angles in a traingle is 180. So (180-2*Y) + (180-2*Z) + 90 = 180.

Y+Z = 135. But X+Y+Z = 180. So X = 45.
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by khurram » Wed May 28, 2008 6:07 pm
excellent answer. makes complete sense.

thanks

khurram
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by khurram » Wed May 28, 2008 6:40 pm
excellent answer. makes complete sense.

thanks

khurram
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Master | Next Rank: 500 Posts
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by khurram » Wed May 28, 2008 6:40 pm
excellent answer. makes complete sense.

thanks

khurram
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