Answer:
1492.45m^2
Step-by-step explanation:
Given data
Dimeter of flower bed= 22m
Diameter of side walk= 3m
Area of the sidewalk
=Area of flower bed - Area of sidewalk
=πR^2- πr^2
= 3.14*22^2- 3.14*3^2
= 3.14*484-3.14*9
=1520.728-28.278
=1492.45
Hence the area of the sidewalk is
1492.45m^2
