The perimeter of the triangle is 16 feet
The perimeter of a triangle refers to the calculation of the total distance bounded by the triangle or around the triangle.
Perimeter of a triangle = (3x - 4) + (x² - 1) + (2x - 15)
Perimeter of a triangle = 5x + x² - 20
Perimeter of a triangle = 5(4) + (4)² - 20
Perimeter of a triangle = 16
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