Question

The sides of a rectangle are in the ratio 3:5. Find its sides if the perimeter is 160 cm

Answer 1

Answer:

Let the length and breadth be 3x and 5x respectively,

Perimeter of rectangle=2(l+b)

160=2(3x+5x)

160/2 =3x +5x

80=8x

x=10

*the sides are 3x=3(10) =30 cm and 5x=5(10) =50cm.