The length of a rectangle is three times its width and its perimeter is 96 m. The length is!?
Answers
Answered by
15
l=3b
p=96
Now,
l+l+b+b=96
3b+3b+b+b=96
8b=96
b=96/8
b=12
Now,
we have l=3b
l=3(12)
l=36 answer
p=96
Now,
l+l+b+b=96
3b+3b+b+b=96
8b=96
b=96/8
b=12
Now,
we have l=3b
l=3(12)
l=36 answer
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Answered by
14
Let the width of the rectangle be x
Therefore,length= 3x
Perimeter of a rectangle= 96
Perimeter of a rectangle = 2(l + b)
96 = 2(3x+x)
3x+x= 96÷2
4x =48
X= 48÷4
X = 12
Therefore,width = 12 and length = 3x=3×12=36
Therefore,length= 3x
Perimeter of a rectangle= 96
Perimeter of a rectangle = 2(l + b)
96 = 2(3x+x)
3x+x= 96÷2
4x =48
X= 48÷4
X = 12
Therefore,width = 12 and length = 3x=3×12=36
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