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kay05
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the shortest side of a triangle is 7 inches shorter than the longest side. The middle side is twice as long as the short side. Find the length of all three sides if the perimeter is 31 inches.
 2 years ago
 2 years ago
kay05 Group Title
the shortest side of a triangle is 7 inches shorter than the longest side. The middle side is twice as long as the short side. Find the length of all three sides if the perimeter is 31 inches.
 2 years ago
 2 years ago

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a123 Group TitleBest ResponseYou've already chosen the best response.0
longest side: L shortest side: L  7 middle side: 2(L  7) L + (L7) + 2(L  7) = 31 L + L  7 + 2L  14 = 31 4L  21 = 31 4L = 52 L = 13 CHECK: Longest side: 13 Shortest side: 13  7 = 6 Middle side: 2(13  7) = 2(6) = 12 13 + 12 + 6 = 31
 2 years ago
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