Question

Fig. 17.18
The radius of a circular field is 20 m. Inside it runs a
path 5 m wide all around. Find the area of the path.​

Answer 1

There are 2 radius in this situation

The bigger radius is 20 m

And smaller radius is 20-5=15m

Area of path= π(R^2-r^2)

22/7×(400-225)

22/7×175

22×25=550m^2

Hope it helps you buddy