the length of rectangle is 5cm less then twice its breath if the length is decreased by 3cm and breath increase by2cm the perimeter of the resulting rectangle a72cm find the area of the original rectangle
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length be x
breadth be y
perimeter
2(x+y)
x=2y-5
y is breadth
(2y-5)-3 is the given one
y+2
2(2y-8+y+2)
2(3y-6)
=72
6y-12=72
6y=84
y=84/6
y=14
the original breadth is
y-2
which is 12
original length is
2y-5
24-5
19
l=19
b=12
thank u
mine as brainliest
breadth be y
perimeter
2(x+y)
x=2y-5
y is breadth
(2y-5)-3 is the given one
y+2
2(2y-8+y+2)
2(3y-6)
=72
6y-12=72
6y=84
y=84/6
y=14
the original breadth is
y-2
which is 12
original length is
2y-5
24-5
19
l=19
b=12
thank u
mine as brainliest
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