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12 October, 17:54

How do you find the formula of a half circle?

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Answers (2)
  1. 12 October, 19:29
    0
    Full circle

    Circumference = 2*pi * r

    Circumference = pi * d

    Area = pi r * r = pi * r^2

    Area = pi d^2 / 4

    Half circle

    Circumference = pi * r

    Circumference = pi * r / 2

    Area = pi r^2 / 2

    Area = pi d^2/8

    The answer depends on what you are looking for and what you are given. But those are the only common formulas I can think of at the moment.
  2. 12 October, 21:10
    0
    Ok don't report me but this answer is a blank because I want the other person to have brainliest NP
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