Question

The formula for the circumference of a circle is C = 2tr, where

is the circumference and r is the radius.
3 cm
6 cm
What is the circumference of the circle shown? (Use 3. 14 as an estimate for t.)
D 28.26 cm
A. 9.42 cm
B. 12.14 cm
E 37.68 cm
C. 18.84 cm

Answer 1

for 3cm

2 x 3.14x 3

= 18.84cm

for 6cm

2 x 3.14 x 6

= 37.68cm