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July 30, 2014

July 30, 2014

Posted by **Laura** on Tuesday, August 18, 2009 at 11:52pm.

- algebra -
**Quidditch**, Wednesday, August 19, 2009 at 12:18amLet a side have ratio value 5.

Let b side have ratio value 12.

Let c side have ratio value 13.

add the ratios of the sides:

5 + 12 + 13 = T

It is given that the perimeter (all sides added) is 15 inches. The length of each side has the same relationship to its ratio as the perimeter does to the ratio total.

a/5 = 15/T

b/12 = 15/T

c/13 = 15/T

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