Question

in a circle of radius 21 cm ,an arc subtends an angle 60 degree at the center . find : (1) length of arc ,( 2) area of sector formed by the arc ,(3) area of segment formed by the corresponding chord.​

Answer 1

Answer:

l of arc is 60/360(2 (22/7)(21)

So the l of arc is 22

area of sector is 60/360(22/7(21)(21))

So the area of sector is 231

ar of segment is ar of sector - ar of triangle.

But I don't know to find ar of segment .u can find in Google or some thing