Question

what is the approximate circumference of the circle shown below?
a. 51.3 cm
b. 43.3 cm
c. 86.7 cm
d. 21.7 cm

Explanation:

Identify the given circle dimension

Using the Diameter of a Circle knowledge point

$$ d = 13.8\text{ cm} $$

Calculate the circumference

Using the Circumference Formula knowledge point

$$
LATEXBLOCK0
$$

Match with the closest option

Using the Circumference Formula knowledge point

$$ C \approx 43.3\text{ cm} $$

Answer:

• A. 51.3 cm
• B. 43.3 cm (Correct answer)
• C. 86.7 cm
• D. 21.7 cm