Question

perimeter of square and rectangule is same .it the side the square is 17cm and one side of the rectangule is 20cm,find the other side of rectangule​

Answer 1

Answer:

we have perimeter of rectangle =2(l+b)

and perimeter of a square = 4a

Then given

2(l+b)=4a

l+b= 4a/2

l+b = 2a

b = 2a-l

= 2×17-20

=34-20

=14cm