4 years ago

A triangle has one side that measures x, and the other two sides each measure 4 inches less than x. The perimeter is 19 inches.

1 answer:

6 0

Perimeter of a triangle = all 3 sides added together

x + (x - 4) + (x - 4) = 19
3x - 8 = 19
3x = 19 + 8
3x = 27
x = 27/3
x = 9 <==

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