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aleksandr82 [10.1K]
3 years ago
8

A triangle has a perimeter of 49 centimeters. each of the two longer sides of the triangle is three times as long as the shortes

t side. find the length of each side of the triangle
Mathematics
1 answer:
murzikaleks [220]3 years ago
7 0
Two sides are 3x longer than the shortest side. So, set up your problem like this.
  X = unknown length in centimeters 
3X = length of two longer sides
1X = length of short side
3x + 3x + 1x = 49
7x  = 49 
x = 7
So, two longer sides are 21 centimeters each and the short side is 7 centimeters.
  21+21+7 = 49
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