Friday, July 26, 2013

ENEO LA MCHE DUARA-2


Tafuta eneo la mche duara ufuatao (umefungwa pande zote)




Suluhu


Eneo = 2∏rh + 2∏ x r2


=(2 x 22 x 355 x 100) + (2 x 22 x 355 x 35)
           71                                    71

=(2 x 22 x 5 x 100) + (2 x 22 x 5 x 35)
                                          

=(44 x 500) + (44 x 5 x 35)


=22000+ 7700


=29700



Hivyo eneo ni sm2 29700



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