Thursday, July 4, 2013

ENEO LA MSTATILI-2


Eneo la mstatili ni sm2160. Ikiwa urefu ni sm20, tafuta upana wake

Suluhu


Hebu chukulia kwamba upana = w

Eneo = urefu x upana

160  = 20  x  w

160 = 20w

        8160    =    120w
      1 20           120

w = 8


Hivyo upana ni sm 8
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