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1 November, 03:08

What is the exact circumference of a circle with a radius of 15 cm?

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Answers (2)
  1. 1 November, 03:10
    0
    Since pi is irrational and it is used in the formula, we cannot give an exact answer except in terms of pi (we can give an aproxamation using 3.14 = aprox pi, but it is not exact)

    ok

    circumfernce=2pir

    r=15

    circumference=2pi15

    circumference=30pi

    exact=30pi cm

    if you want to aprox pi=3.14 then

    aprox circumfernce=94.2 cm
  2. 1 November, 03:21
    0
    The Answer is 94.2 the equation is C=2*3.14*r
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