circumference =2pie
so2 put multipy sign 22/7put multiply sign 21
=2 put multiply sign22 put multiply sign 3
=44 put multiply sign 3
=132
I hope it will help you
0
Pahulpreet K. answered this
Circumfrence of circle =2πr
=(2 X 22 X 21)/7
=2 X 22 X 3 = 12 cm
