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Find the missing length.  The triangles are similar.

 

 Aug 13, 2020
 #1
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To start this, let's create a ratio for the two triangles (the triangle you are trying to find, and the super large triangle). Taking the two  longer sides, we get that the scale is 13/65=1/5. Multiply 60 by 1/5, and we get that '?' is 12.

 

:)

 Aug 13, 2020

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