3. Four mark example problems I

1. A park is circular in shape. The central portion has playthings for kids surrounded by a circular walking pathway. Find the walking area whose outer radius is \(10 \ m\) and inner radius is \(3 \ m\).

 

 

Area of the circular pathway \(=\)  \(m^2\)

 

2. The radius of a circular flower garden is \(21 \ m\). A circular path of \(14 \ m\) wide is laid around the garden. Find the area of the circular path.

 

 

Answer:

 

Area of the circular path \(=\)  \(m^2\)