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7 April, 13:08

A certain television is advertised as a 41-inch TV (the diagonal length). If the width of the TV is 40 inches, how many inches tall is the TV?

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  1. 7 April, 13:20
    0
    40^2 + height^2 = diagonal^2

    height^2 = 41^2 - 40^2

    height^2 = 1681 - 1600

    height^2 = 81

    height = 9
  2. 7 April, 13:25
    0
    9inches tall
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