Question

find the circumference if the diameter is 13.1 CM

Answer 1

r=6.55

$c = 2\pi \ r$
$2 \times \pi \times 6.55 = 41.15$
Mark as Brainlist

Answer 2

Hey mate!!!
Here is your answer..
First we change the diameter into radius
d = 13.1
r = 13.1/2
= 6.55
circumference of circle = 2πr
= 2*22/7*6.55
= 44/7*6.55
=41.1714286
hope it's help you