Question

7. Find the circumference of a circle whose diameter is 3.2 meters. Round to the nearest tenth.



A. 32.2 m

B. 8.0 m

C. 10.0 m

D. 5.0 m

Answer 1

Answer:

C. 10.0 m

Step-by-step explanation:

$C=2\pi r$

radius is half of diameter

$r = \frac{d}{2} \\r=\frac{3.2}{2}$

$C= 2 (3.14) \frac{3.2}{2}$

$C= (3.14)3.2\\C=10$

Answer 2

The correct answer is C.10.0m