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23 June, 08:52

ABCD is a rectangular wall in which AB=3.15 m and BC = 1.77m. Find the

length of the diagonal BD.

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Answers (1)
  1. 23 June, 12:27
    0
    By Pythagoras' theorem,

    BD square = AB square + BC square

    BD square = 3.15 square + 1.77 square

    BD Square=13.0554

    BD = square root 13.0554

    BD=3.61 (to 3sf)
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