Which of the following options aren't true?
1.All the sides of rhombus are always equal in length
2.All the sides of a parallelogram are always equal in length
3.Diagonals of a parallelogram are equal in length
4.Diagonals of a square are equal in length
5.Diagonals of a rectangle are equal in length
2 and 3
In a parallelogram, opposite sides are equal and parallel.
The diagonals are not equal in a parallelogram.
So, all the statements are true except 2 and 3.