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In the figure attached, segments RS and TU represent two [#permalink]
09 Dec 2008, 21:46
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1.In the figure attached, segments RS and TU represent two positions of the same ladder leaning against the side SV of a wall. The length of TV is how much greater than the length of RV? (1) The length of TU is 10 meters. (2) The length of RV is 5 meters.
Re: DS The length of TV [#permalink]
09 Dec 2008, 22:29
We know the the same ladder is used. so length of the diagonal of right triangle is fixed. We also know that one of the triangle is 45-45-90 triangle and other is 30-60-90 triangle so knowing any one side, we can calculate the lengths of remaning sides.