Gubbins430 Gubbins430

11-06-2014
Mathematics

Answered

A circle has a circumference of 16'pi' feet. What is the radius of the circle, in feet?
A. square root of 8
B. 4
C. 8
D. 16
E. 32

Answer :

Аноним Аноним

14-06-2014

[tex]C=16\pi ft.\\\\C=2\pi r\ (r-radius)\\\\2\pi r=16\pi\ \ \ /:2\pi\\r=8\ (ft.)\\\\Answer:C[/tex]

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