Gmat prep

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Gmat prep

by navalpike » Thu Aug 06, 2009 12:32 pm
In the figure attached, what is the value of x?

55
60
65
70
75

Please show your thought process.

Thanks,
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by PussInBoots » Thu Aug 06, 2009 12:49 pm
We have two right triangles with 1 unknown side. Using the famous theorem we can find the lenght of 3rd sides - both are 5. Triangle has two equal sides, hence x = 180 - 2 * 55.