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29 April, 10:35

A rectangular swimming pool is 21 metres

wide and 50 metres long. Calculate the length

of the diagonal to 1 decimal place.

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Answers (1)
  1. 29 April, 12:29
    0
    The length of the diagonal measures 54.2 meters

    Step-by-step explanation:

    Pythagorean theorem,

    a² + b² = c²

    a = 21

    b = 50

    c = diagonal

    21² + 50² = c²

    441 + 2500 = c²

    2941 = c²

    √2941 = c

    54.23098 ... = c

    54.2 = c
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