# Given a circle with a diameter of 8, what is the circumference?

$\text{circumference "=8pi~~25.13" to 2 dec. places}$
$\text{to calculate the circumference (C) use the formula}$
•color(white)(x)C=pidlarrcolor(blue)" d is the diameter"
$\Rightarrow C = 8 \pi \approx 25.13$