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13 January, 06:49

At 10 am, a building casts a shadow that is 98 feet long. At the same time, a 5 feet tall man casts a shadow that is 4 feet long. Find the height of the building.

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  1. 13 January, 09:57
    0
    The height of the building is around 122 feet
  2. 13 January, 10:36
    0
    Ratio and proportion

    height:shadow=5:4

    so

    given that the shadow is 98 ft

    the height of the building is?

    ?:98=5:4

    ?/98=5/4

    times both sides by 98

    ?=490/4

    ?=122.5ft

    te height of the building is 122.5ft
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