Question

What is the circumference of the circle below

Answer 1

C=12.56
`cm^(2)`

Explanation:

4*3.14(
`\pi`)=12.56

Answer 2

C ≈ 12.56 cm²

Explanation:

the circumference (C) of a circle is calculated as

C = πd ( d is the diameter ) , then

C = π × 4 ≈ 12.56 cm² ( to 2 dec. places )