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The circumference of a circle is 31.4 miles. what's the circles diameter

The circumference of a circle is 31.4 miles. what's the circles diameter
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1 vote
The circumference of a circle is 31.4 miles. what's the circles diameter

asked
User Dogatonic
by
8.2k points

1 Answer

4 votes
the circumference formula=
C=2 pi r
31.4=2*3.14*r
31.4/6.28=r
r=5
diameter is D=2r=2*5=10
answered
User VanagaS
by
7.8k points
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