Question

The length of a rectangle is 18 cm more than breadth if its parameter is 84 fon l and b

Answer 1

Let the breadth=x
Let the lenght=x+18
Perimetre =84
So,84=2(x+x+18)
=84=2(2x+18)
=84=4x+36
=84-36=4x
=48/4=x
=x=12

So,lenght is=12
Breadth=12+18=30