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posted by Leigh on Sunday, March 9, 2014 at 9:55pm.
the legs of an isosceles triangle have lengths x+1 and -x+7. the base has length 3x-3. what is the length of the base? a. 6 b. cannot be determined c. 4 d. 3
we know that x+1 = -x+7 x=3 so the base is 6
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