Question

The length & width of rectangle are in 5:3 proportion if width is 45 cm Find length & perimeter? *
2 points

Answer 1

Explanation:

Ratio of length and width= 5:3

width =45 cm

let common multiple be x

width = 3x

x =45/3

= 15

length= 5*15

=75 cm

perimeter of rectangle = 2( l+b) = 2(45+75) =120/2

= 60 cm