Question

what is the circumference of circular disc of radius 14 cm?

Answer 1

r = 14

circumference=2πr

=2 ×22÷7×14

=44×2

=88 cm

Answer 2

circumfirence : 2pyr
$2\\pi \: \: \: \: \: \: r$


2×22/7×14
=88cm will be the circumfirence