Question

find the circumference of a circle whose radius is 7 cm

Answer 1

CIRCUMFERENCE OF A CIRCLE=2πr
GIVEN r=7 CM
⇒CIRCUMFERENCE OF THE CIRCLE= 2*22/7*7
                                                              = 44 CM
∴CIRCUMFERENCE OF THE CIRCLE IS 44 CM

Answer 2

Hey,

The circumference of circle=2×pie×r

=========================2×22/7×7===
44cm.