Opposite sides in a parallelogram are equal

Q. The ratio of two sides of a parallelogram is 3 : 5 and its perimeter is 48 m, then the sides of the parallelogram are

1. 9 m, 14 m
2. 5 m, 10 m
3. 9 m, 15 m
4. 4 m, 8 m

Q.

A quadrilateral is a parallelogram, if pair of opposite sides are equal and __.