SOLUTION: triangle rst is similar to triangle abc. if the perimiter of triangle rst is 28 inches, determine the length of tr. Ab = 7 in, bc = 5 in, ca = 9 in Thanks!

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Question 847592: triangle rst is similar to triangle abc. if the perimiter of triangle rst is 28 inches, determine the length of tr.
Ab = 7 in, bc = 5 in, ca = 9 in

Thanks!

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
Perimeter of abc is 21in
| Cross Multiplying to solve
tr = 36/3 = 12in
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