The length of a rectangle is twice its breadth. If the ratio of the perimeter of the rectangle and its area is 1. 2. find the dimensions of the rectangle.
Answers
Step-by-step explanation:
Let the breadth of the rectangle is b cm.
So, the length of the rectangle is 2b cm.
We know that the perimeter of rectangle is
=2(l+b)
Since, perimeter of rectangle is 120 cm.
Therefore,
6b=120
b=20 cm
And l=40 cm
So, the area of rectangle is
=20×40=800 cm2
Hence, the length is 40 cm, breadth is 20 cm and area is 800 cm2.
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Answer:
800 cm2
the length is 40 cm, breadth is 20 cm and area is 800 cm2.
Step-by-step explanation:
Let the breadth of the rectangle is b cm.
So, the length of the rectangle is 2b cm.
We know that the perimeter of rectangle is
=2(l+b)
Since, perimeter of rectangle is 120 cm.
Therefore,
6b=120
b=20 cm
And l=40 cm
So, the area of rectangle is
=20×40=800 cm2
Hence, the length is 40 cm, breadth is 20 cm and area is 800 cm2.