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29 May, 00:08

Find the circumference of the circle with the given radius or diameter. (Use 3.14 for π.)

diameter = 11 cm

a.

379.94 cm

b.

34.54 cm

c.

94.99 cm

d.

17.27 cm

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Answers (1)
  1. 29 May, 00:20
    0
    The circumference of a circle is "C = 2 лr" (I couldn't find the symbol for pi". The radius is half the diameter. The diameter is 11cm, so the radius is 5.5. Now plug in the numbers into the formula. C = 2*3.14*5.5. The circumference is B. 34.54
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