Question

the perimeter of a parallelogram is 102 CM if one side is greater than the other by 9 cm, find the length of all the sides of a parallelogram

Answer 1

hope this will help you ..

Answer 2

Given
the perimeter of a parallelogram =102
one of the side =9cm ,
and other side of the parallelogram is great then first
therefore parallelogram ( opposite of parallelogram are parallel and equal)
102-18=84
then 84/2= 42
therefore one side is greater than the other by 9cm = 42 cm
check:
therefore​ 9+9+42+42 =102

hence proved