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Reil [10]
3 years ago
14

If two sides of a triangle are 5 and 7 inches longer than the third side and the perimeter measures 21, find the length of each

side of the triangle
Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
7 0
Hello

x
x +5 
x + 7

x + x + 5 + x + 7 = 21 
3 x = 21 - 12
3 x = 9
x = 3 

3 , 5 et 7 pouces
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