1.Fill in the blanks:
i. The amount of surface enclosed by a closed figure is called its
ii. The side of a square park having perimeter 56 m is
iii. The distance travelled by Sangeeta if she takes 5 rounds of a square park of side 10 a m is
iv. If the length and breadth of a rectangular plot are 1.5 m and 1m then its area is
V. If the length and breadth of a rectangle are doubled, then its perimeter is​