samsey12 samsey12

19-04-2018
Mathematics

contestada

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

Respuesta :

19-04-2018

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

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