Posted by sadia on Wednesday, August 15, 2012 at 2:38pm.
the height of a tower is 20 metres and the length of its shadow is 25 metres.what will be the heigth of the tower if its shadow is 75 metres at the same time.

maths  Steve, Wednesday, August 15, 2012 at 2:47pm
20/25 = h/75
h=60
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