1 answer
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Part 1:
Perimeter of Triangle A = (3x+4) + (4x-3) + (8x+9) = 15x + 10
Perimeter of Triangle B = (x+7) + (x+5) + (3x-4) = 5x + 8
Part 2:
Difference in perimeter = (15x + 10) - (5x + 8) = 10x + 2
Part 3:
When x = 2:
Perimeter of Triangle A = 15(2) + 10 = 40
Perimeter of Triangle B = 5(2) + 8 = 18