Question

23. If 20 m of wire is available for fencing off a
flower-bed in the form of a circular sector,
then the maximum area (in sq m) of the
flower-bed is
[JEE Main 2017 (Offline
(a) 12.5 (b) 10 (c) 25 (d) 30 how come area is 1/2r^2m​

Answer 1

Answer:

(a) is the correct answer