Question

(1) Calculate the circumference of the
circles below in terms of π​

Answer 1

A.

2 x 2 = 4 so 4 is the diameter because the diameter is double the radius

diameter x pi = circumference

4 x pi = 3pi or 12.56

8 x pi = 8pi or 25.12

Explanation:

Answer 2

Answer:12.57

Explanation:

C=2πr

=2·π·2

=12.56637