Question

find the circumference of the circles with the following radius.(B) 21c.m​

Answer 1

Step-by-step explanation:

Radius(r)=21cm

Circumference= 2\pi r=2\times\frac{22}{7}\times21

=132cm

Answer 2

Answer:

132

Step-by-step explanation:

2πr

r=21

2×22/7×21= 132 cm