Draw lines at $1 \mathrm{cm}$ distance horizontally and vertically inside the square and find out the area of the rectangle. Also verify your answer with the formula.

length $=5 \mathrm{cm}$; width $=4 \mathrm{cm}$

Draw lines at $1 \mathrm{cm}$ distance horizontally and vertically inside the square and find out the area of the rectangle. Also verify your answer with the formula.

length $=12 \mathrm{cm}$; width $=2 \mathrm{cm}$

The side of a square is $6 \mathrm{cm}$. Draw lines at $1 \mathrm{cm}$ distance horizontally and vertically inside the square and find out the area of the square. Also verify your answer with the formula.