Problem:

The diameter of a circular swimming pool is 18 meters. The walk around is 2 meters wide. What is the area of the pool and the walk​?

Answer:

The area of the pool: 254.34m

The area of the walk: 4m

Area of the circle

= 3.14 x 9 x 9

= 28.26 x 9

= 254.34m

Area of the square

= 2 x 2

= 4m