3. The length of a rectangle is twice its breadth. If the perimeter is 72 metre, find the length and breadth of the rectangle.
Answers
Answered by
1
Step-by-step explanation:
Let the breadth of rectangle be b
Let the length of rectangle be l
Therefore l=2b
Perimeter of rectangle = 2*(length+breadth)
=2*(2b+b)=2*3b=6b
Perimeter = 72 meter
Therefore 6b=72 meter
b=72/6=12 meter
Therefore the breadth of rectangle is 12 meter
Answered by
1
Answer:
Let breadth=x m
then, length=2x m
perimeter of a rectangle=2(l+b)
=2(x+2x)
therefore 2(x+2x)=72
2x+4x=72
6x=72
x=72/6
x=12 metre is your answer
Step-by-step explanation:
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