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In the diagram below, RT:TS = 1:2 and SR = PQ = 20. Find UV.

 Jun 14, 2020
 #1
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By similar triangles, UV = 15.

 Jun 14, 2020
 #2
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The length of UV is constant no matter how long is the line segment QR.

QR  = 20

UV = 12 

Guest Jun 15, 2020
edited by Guest  Jun 15, 2020

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