Question

the radius of a circle is 13 kilometers. what is the circles circumference? round your answer to the nearest hundredth. kilometers submit

Explanation:

Step1: Recall circumference formula

Circumference $C = 2\pi r$, where $r=13$ km.

Step2: Calculate circumference

$C = 2 \times \pi \times 13 = 26\pi \approx 26 \times 3.1416 = 81.6816$

Step3: Round to nearest hundredth

$81.6816 \approx 81.68$

Answer:

81.68 kilometers