Question

what is the approximate circumference of the circle shown below? 7 cm a. 28 cm b. 14 cm c. 44 cm d. 22 cm

Explanation:

Step1: Recall circumference formula

$C = 2\pi r$

Step2: Identify radius value

$r = 7$ cm

Step3: Substitute and calculate

$C=2\times\pi\times7\approx2\times\frac{22}{7}\times7 = 44$ cm

Answer:

C. 44 cm