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TheAakash
The perimeter of a rectangle is given by (l = length, w = width):
[tex]P_r = 2(l+w)[/tex]

The area of a triangle is given by (l = length, w = width):
[tex]A_r = l*w[/tex]

Hopefully, this helps!
Perimeter formula for a rectangle is P = 2x +2y. The "x" represents the length of a rectangle and the "y" represents the width of a rectangle. To compute an area for a rectangle simply multiply the length by the width of that rectangle. The formula is A=lw.

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