How To Find The Dimension Of The Rectangle?
If the length of the rectangle is 40m less than 2 time its width its perimeter is 220 m.
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Perimeter of Rectangle = 2(Length + Width)
Where Perimeter = 220 m
Width = w
Length = 2w-40
Putting the values in the equation you will get
220 = 2((2w-40)+w)
220 = 2(2w-40+w)
220 = 2(3w-40)
220 = 6w - 80
6w - 80 = 220
Adding 80 on both sides you will get
6w = 220+80
6w = 300
Dividing 6 on both sides you will get
6/6w = 300/6
w = 50
So width = 50m
Length = 2(50)-40
=100-40
= 60m
Length = 60 m
Width = 50 m
perimeter = 220m
Where Perimeter = 220 m
Width = w
Length = 2w-40
Putting the values in the equation you will get
220 = 2((2w-40)+w)
220 = 2(2w-40+w)
220 = 2(3w-40)
220 = 6w - 80
6w - 80 = 220
Adding 80 on both sides you will get
6w = 220+80
6w = 300
Dividing 6 on both sides you will get
6/6w = 300/6
w = 50
So width = 50m
Length = 2(50)-40
=100-40
= 60m
Length = 60 m
Width = 50 m
perimeter = 220m
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