Question

3.
The ratio of the lengths of two adjacent sides
of a parallelogram is 4 : 5 and its perimeter is
90 cm. Find the length of the sides of the
parallelogram​

Answer 1

AB=20 BC=25 cm.

Step-by-step explanation:

let the side be 4x and 5x

opposite side are equal then

AB=CD=4x

BC=AD=5x

4x+5x=90

18x=90

x=5

side AB=CD=4x. side BC=5x

4x5. 5x5=25

=20