Question

The length and breadth of a rectangle are 45 cm and 27cm respectively. what is the ratio of length and breadth​

Answer 1

Let length =5x and breadth=2x

Area of rectangle=5x×2x=10x

2

Perimeter of rectangle=2(l+b)=2×(5x+2x)=14x

Now,

A

P

=

3

1

⇒

10x

2

14x

=

3

1

⇒x=4.2

∴Length of rectangle=5×4.2=21 units.

Answer 2

Answer:

given

l = 45

b= 27

ratio = l/b

=45/27

=5/3