Question

The perimeter of a rectangle is 60cm. its longer side is 6cm more than that the shorter side. find the lengths of the sides. give explanation. ​

Answer 1

Perimeter of rectangle = 60

2(l+b) =60

l+b = 30 ...1

let l be the longer side and b be shorter side.

and so l= 6+b ...2

Put 2 in 1

l+b=30

6+b+b = 30 ( l=6+b)

2b =30-6

b=24÷2

b=12cm

l= 12+6 = 18 cm

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