two concentric circles are of radii 7cm and 5cm. find the area of the portion between the 2 circles

Asked by  | 27th Feb, 2012, 07:22: PM

Expert Answer:

Reqd. Area = (pi)(72 - 52)= 3.14 * 24 = 75.36 sq. cm

Answered by  | 28th Feb, 2012, 09:19: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.