Question

if 20 m wire is fencing in a circular sector then maximum area of. that sector is?

Answer 1

Here, 20 cm = Perimeter of plot

So, 2$\pi$ r = 20

r = 10/$\pi$

Area of the given circle of radius as above,

= $\pi$ x r x r

= 100/$\pi$

= 31.8181 $cm^{2}$