Question

The sides of a rectangle are in ratio 5:4 and it's perimeter is 90 cm. Find it's length and breadth.​

Answer 1

hope it will be helpful

Answer 2

Answer:

25cm and 20cm

Step-by-step explanation:

the ratio of sides is 5:4.

Let the sides be l=5x and b=4x respectively.

then,

perimeter=2(l+b)

$90 = 2(5x + 4x)$

$90 = 2(9x) = 18x$

$x = \frac{90}{18} = 5$

hence, l = 5x = 5*5 = 25cm

and b = 4x = 5*4 = 20 cm