1 answer
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Part 1:
Triangle 1:
Perimeter = 3x + 4y
Perimeter = 3(2) + 4(3)
Perimeter = 6 + 12
Perimeter = 18
Triangle 2:
Perimeter = 6x + y
Perimeter = 6(2) + 3
Perimeter = 12 + 3
Perimeter = 15
Part 2:
Difference in perimeter = (6x + y) - (3x + 4y)
Difference in perimeter = 6x + y - 3x - 4y
Difference in perimeter = 3x - 3y
Part 3:
When x = 2:
Triangle 1:
Perimeter = 3(2) + 4(3)
Perimeter = 6 + 12
Perimeter = 18
Triangle 2:
Perimeter = 6(2) + 3
Perimeter = 12 + 3
Perimeter = 15