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6 September, 03:47

Find the area of a square with diagonal of 8 cm.

32 cm2

16 cm2

18 cm2

12 cm2

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Answers (1)
  1. 6 September, 04:03
    0
    A

    Step-by-step explanation:

    Let the side of the square = s

    The area is s^2

    A = s^2

    But the Pythagorean Theorem says that

    s = s

    s = s

    d = 8cm

    s^2 + s^2 = a^2

    2s^2 = 8^2 Divide by 2

    2s^2/2 = 64/2

    s^2 = 32

    So the area is 32 cm^2

    A
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