From a circular sheet of paper of radius $21 \mathrm{cm}$, three circles of radius $1.4 \mathrm{cm}$ and a square of side $5 \mathrm{cm}$ are cut out. Find the area of remaining sheet of paper.

Find the area of the largest circle that can be fitted in a square of side $4.2 \mathrm{cm}$.

Find the area of the given figure:

The area of a parallelogram and a square are the same. If the perimeter of the square is $100 \mathrm{m}$ and the height of the parallelogram is $15 \mathrm{m},$ find the length of the corresponding base of the parallelogram.

Find the area and perimeter of the following shapes.

Find the area of the following shapes

Find the area of the following shapes.

Find the area of the following shapes: