Question

2 a circle has a radius of 10 inches. the circumference of the circle is c inches. which expression best represents the value of π? a. 10c b. \\(\frac{c}{10}\\) c. \\(\frac{c}{20}\\) d. 20c

Explanation:

Step1: Recall circumference formula

Circumference \( C = 2\pi r \)

Step2: Substitute radius \( r=10 \)

\( C = 2\pi(10) = 20\pi \)

Step3: Solve for \( \pi \)

\( \pi = \frac{C}{20} \)

Answer:

C. \( \frac{C}{20} \)