Question 990952
c=longest side; a=shortest side; b=middle side
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a+b=c+2 Use this to substitute for (a+b)
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a+b+c=56 Substitute for (a+b)
(c+2)+c=56
2c=54
c=27
ANSWER 1: Longest side is 27 centimeters
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c-13=2a
27-13=2a
14=2a
7=a
ANSWER 2: The shortest side is 7 centimeters
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a+b+c=56
7cm+b+27cm=56cm
b+34cm=56cm
b=22cm
ANSWER 3: the middle side is 22 centimeters.