Question

The length of rectangle is 2 metre more than its breadth find the dimensions of the rectangle if its perimeter is 20 m

Answer 1

2(l+b) is 20
l is b+2
so
2(b+2+b) is equal to 20
2(2b+2) is equal to 20
2b+2 is equal to 10
2b is 8
b is equal to 4
l is 6

Answer 2

check the attachment