Question

The perimeter of parallelogram is 180 cm if one of its side greater than other by 30 cm find length of each sides​

Answer 1

Answer:

perimeter of parallelogram = 2(a+b)

where a,b are non parallel sides of parallelogram

p=2(a+b)

180=2(a+b)

a+b=90 ----(1)

another condition given is

b-a=30. (let b be greater side). ---(2)

adding (1)&(2)

2b=120

b=60

from (2)

60-a=30

a=30

sides are 60,30