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Quant Problem

Problem Solving — algebra and arithmetic
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Senior | Next Rank: 100 Posts
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by sukh » Sun Oct 23, 2011 5:32 am
what is area of triangle if one side and three angles are given ,basically two triangles are there with one area double the other , we have to find their comparable sides relation , this is gmatprep question
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Source: — Quantitative Reasoning |
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by Amiable Scholar » Sun Oct 23, 2011 9:23 pm
Sukh,

if you are talking about two similar triangle here.

area1 = side1_triangle1 * side2_triangle1 * some function of angle --- If there is any possible function
area2 = side1_triangle2 * side2_triangle2 * same function of angle
=k*side1_triangle1 * k*side2_triangle1 * same function of angle -- k is ratio of sides of 2 triangles
=k^2 * area 1

so the comparable side ratio(k) will be =
sqrt(area ratio)
Amiable Scholar

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