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asambeis [7]
3 years ago
12

What is the diameter of a circle with circumference 31.4cm?​

Mathematics
1 answer:
swat323 years ago
7 0

Answer:

c = 10 cm

Step-by-step explanation:

The circumference formula is C = πd.  We want to solve this for the diameter, d:  

        C

d = -------

        π

Substituting 31.4 cm for d, we get:

       31.4 cm

d = -------------- = 10 cm, when 3.14 is used as an approximation for π/

         3.14

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