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A flagstaff 17.5 m high casts a shadow of length 40.25 m. The height of the building, which casts a shadow of length 28.75 m under similar conditions will be: ?->(Show Answer!)
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1. A flagstaff 17.5 m high casts a shadow of length 40.25 m. The height of the building, which casts a shadow of length 28.75 m under similar conditions will be:





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  • By: guest on 01 Jun 2017 05.46 pm
    Let the height of the building x metres. Less lengthy shadow, Less in the height (Direct Proportion) 40.25 : 28.75 :: 17.5 : x       40.25 x x = 28.75 x 17.5 x = 28.75 x 17.5 40.25 x = 12.5
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