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#1 Help Me ! » 7th grade mathh » 2011-01-06 09:06:45

How do i find the missing number to a triangle. the question says,

The sum of th lengths of the sides of triangle ABC is 25 in. The lengths of AB and BC are 9 in and 8 in. Find the length of side AC??

PLEASE helpp mehhh!!!! hmm

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