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9 December, 01:51

The length of a diagonal of a square is 12cm. find its perimeter

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Answers (2)
  1. 9 December, 02:18
    0
    12cm^2

    Step-by-step explanation:

    1/2 x diagonal x diagonal
  2. 9 December, 04:22
    0
    p = 4a

    d = 2√2d

    Step-by-step explanation:

    p = 2√2d

    = 2.√2.12

    = 33.94113 cm
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