question on circles..........

Asked by krithika.rrrr | 5th May, 2009, 12:48: AM

Expert Answer:

Let the radius of circle be r.

6r=DC=24

r=4 cm

Now AD=2r=8 cm

Area of shaded region ,A=AB*CD-3 π r2 =24*8- 3*3.1416*42 =41.2 cm2

Rounding of to nearest decimal gives solution as 41 cm2

Answered by  | 9th May, 2009, 10:56: AM

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