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3 February, 11:18

ABC has vertically casts a 19-foot shadow. At the same time, a 6-foot person near the be cast a shadow 4 feet 9 inches. What is the height of the beam

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  1. 3 February, 12:45
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    24 ft

    Step-by-step explanation:

    The first step is to have uniform units hence we convert the inches to ft.

    Conversion

    1 inch is equal to 0.0833 ft hence 9 inches will be 9*0.0833=0.75 ft

    The shadow of the man is 4.75 ft while actual height is 6ft

    By cross multiplication concept, we evaluate that

    6ft=4.75 ft shdow

    X ft = 19 ft shadow

    X=6*19/4.75=24 ft

    Therefore, the actual beam height is 24 ft
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