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If two sides of a triangle are 5 and 7 inches longer than the third side and the perimeter measures...
4 months ago
Q:
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
Accepted Solution
A:
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