Archive
16th of September 2015
Mathematics
Q:

Sumit Roy Rebooted 2nd Edition - ICSE - Class X

Wednesday, September 16, 2015 at 18:20:PM

A:

begin mathsize 14px style A r e a space o f space s e m i c i r c l e equals 1 half πr squared equals 1 half cross times 22 over 7 cross times fraction numerator 10.5 over denominator 2 end fraction cross times fraction numerator 10.5 over denominator 2 end fraction equals fraction numerator 173.25 over denominator 4 end fraction Area space of space shaded space portion equals 4 cross times Area space of space semicircle equals 4 cross times fraction numerator 173.25 over denominator 4 end fraction equals 173.25 space cm squared end style

Wednesday, September 16, 2015 at 18:29:PM