Area of square & Rectangle

Q.

There is a square park in the society. ₹ ______ is the cost of laying grass in the field at ₹ 10 per $m^2$, if the length of each side is 7 m.

___

Q.

The length of the side of a square of area $1$ square meter is $:$

1. $20m$

2. $40m$

3. $10m$

4. $1m$

Q. The measurements of the figure given below are in centimetres.

What is its area?

1. $200c{m}^2$
2. $186c{m}^2$
3. $210c{m}^2$
4. $196c{m}^2$