Question

The area of a sector is given by the formula ...... (r is the radius and I is the length of an arc.select a proper option (a), (b), (c) or (d) from given options so that the statement becomes correct.
(a) 1/2rl
(b) 3/2r²l
(c)4/3rl
(d) 3/2rl

Answer 1

the answer is 20/58=2r

20/58*2

20/116=r

0.17241379310344=r

Answer 2

Option ( a ) is correct.

Explanation :

If arc length = l ,

Radius = r ,

Then ,

Area of the sector (A) = ( lr )/2

•••••