In a circle of radius 10cm, an arc subtends an angle of 90o at the

centre. Find the area of the major sector.

Asked by Topperlearning User | 9th Dec, 2013, 03:44: AM

Expert Answer:

Area of sector OAPB = = x =

Area of major sector = area of circle - area of sector OAPB

= r2 -

= x10x10 -

= (-) = cm2

Answered by  | 9th Dec, 2013, 05:44: AM