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The formula for the circumference C of a circle with radius r is C = 2πr. Which of the following is a formula for π (pi) of the circle in terms of the circumference and radius?

A. PI=C+2r
B: C-2r
C: PI=2R/C
D: PI/C/2R

Respuesta :

HomertheGenius
Formula for the circumference ( C ) of the circle is:
C = 2 r π 
(2 r π) : (2 r ) = C : (2 r)
π = C / 2 r
Answer:
Formula for π ( Pi ) of the circle is:
D ) Pi = C / 2 r

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