Question

the perimeter of a rectangle is84cm and its length is 6cm longer than its breadth.find the lenth and breadth of the rectangle​

Answer 1

you can use x present the length
the breadth is x-6
so,2（x+x-6）=84
you can solve x=20.5
the breadth is 14.5
length is 20.5

Answer 2

So,the length of rectangle is 24 cm

The breadth of rectangle is 18 cm

please see the attached picture for full solution

Hope it helps

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