The circumference of a field is 220m. Find (i) its radius (ii) its area

Explanation

(i) Circumference of circle = 220m
`2 pi r = 220`
`r = (220 xx 7)/(2 xx 22) = 35 m`
(ii) Area of circle `= pi r^(2) (22)/(7) xx 35 xx 35 = 3850 m^(2)`