Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A wire of length 
is bent in the form of a sector of a circle. The maximum area that can be enclosed by the wire is
A
B
20 sq. 
C
D
10 sq. cm
Text Solution
Verified by ExpertsThe correct answer is:
A
: Let 
be the circumference of the sector, 
be the length of an arc and 
and 
be the radius and angle between them.
(given) (i)
(From (1))
for maximum and minimum 
Now 
is maximum at 
and maximum area 
.
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