Question

in a circular garden of 50 m radius, a pound is constructed in the form of a circle with radius 20m. find the area of the land eft - out?

Answer 1

22/7(50^2-20^2)
=22/7(2500-400)
=22/7 x 2100
=22 x 300
=6600m^2

Answer 2

Area = π * (50-20)*(50+20) = 6600