Question

The diameter of a circle is 13 m find it’s circumference in terms of pi

Answer 1

Answer:

$13\pi$

Step-by-step explanation:

$C=2\pi r$

If the diameter is 13, divide it by 2 to find the radius:

$\frac{13}{2} =6.5$

Insert into formula:

$2*\pi *6.5$

Simplify multiplication:

$13\pi$

Finito.