Answers

2016-03-12T20:26:32+05:30
Height of the person : 2m           length of the shadow: 6m
height of the building: ? (x)         length of the shadow:432m
   
                Direct variation ....so cross multiplication


∴  x =   2 ×  432 ÷ 6
       =  144m


therefore the height of the building is 144m


Hope it's useful :)
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