the length and width of a rectangle are (2x-3y+1) and (5x-4y+2) units . find the perimeter
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Answer:
2(2x-3y+1) + 2(5x-4y+2) = perimeter
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Length = 2x - 3y +1
Breadth = 5x -4y +2
Perimeter = 2(l + b)
= 2 (2x - 3y + 1 + 5x -4y + 2)
= 2 (7x - 7y +3)
= 14x - 14y + 6
= 14 (x- y) + 6
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