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The longest side of a triangle is 5 inches longer than the shortest side. The medium size is 4 inches longer than the shortest side. If the perimeter of the triangle is 30 ​inches, what are the lengths
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The longest side of a triangle is 5 inches longer than the shortest side. The medium size is 4 inches longer than the shortest side. If the perimeter of the triangle is 30 ​inches, what are the lengths of the three​ sides?

User Emmie
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1 Answer

6 votes

x + (x + 5) + (x + 4) = 30

3x + 9 = 30

3x = 21

x = 7

7, 11, 12

User Lazarus Thurston
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7.2k points
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