Question

The adjacent sides of a parallelogram are in the ratio 3 : 4, If the perimeter of a parallelogram is 84cm, find out its sides.​

Answer 1

Step-by-step explanation:

let the sides be 3x cm. and 4xcm.

so,perimeter =2( 3x + 4x)cm

=(2×7x)cm

= 14x cm.

Now, perimeter of llgm.= 84cm

( given)

so,

by the problem,

14x= 84

or,x=84÷14

=6

so ,x=6

3x cm.= (3×6)cm.= 18cm

4xcm.=(4×6) cm=24 cm.

thus,the sides are 18cm and 24cm respectively.....