Find the perimeter or circumference. Use $\pi \approx 3.14$ when needed.
-A circle whose diameter is 3.4 mi long (Round to three decimal places.)
A) $10.676 \mathrm{mi}$
B) $9.075 \mathrm{mi}$
C) $5.338 \mathrm{mi}$
D) $21.352 \mathrm{mi}$

Question

Quizplus · Accepted Answer

The circumference of a circle is given by $C = \pi d$, where $d$ is the diameter. Given $d = 3.4$ mi and using $\pi \approx 3.14$, the circumference is $C = 3.14 \times 3.4 = 10.676$ mi.

Find the Perimeter or Circumference π≈3.14\pi \approx 3.14π≈3.14 When Needed 10.676mi10.676 \mathrm{mi}10.676mi

Find the Perimeter or Circumference $\pi \approx 3.14$ When Needed $10.676 \mathrm{mi}$