Question

taking π=3.14find the circumference of a circle whose radius is. 8cm

Answer 1

circumference = 2πr
=2×3.14×8
=50.24cm

Answer 2

formula for finding circumference if circle is 2 * pi * r
so, 2* 3.14 * 8 = 50.24cm
circumference of the circle is 50.24 cm

hope it helps