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11 December, 12:36

What is the radius of this circle if the circumference is 183 cm?

C = 18

cm

o 3 cm

O 9 cm

O 18 cm

O 36 cm

+5
Answers (1)
  1. 11 December, 12:51
    0
    The radius of the circle is 29.14cm

    Step-by-step explanation:

    To solve this problem we need to use the circumferenc formula of a circle:

    c = circumference = 183 cm

    r = radius

    π = 3.14

    c = 2π * r

    we replace with the known values

    183cm = 2 * 3.14 * r

    183cm = 6.28 * r

    183cm / 6.28 = r

    29.14cm = r

    The radius of the circle is 29.14cm
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