Question

Question
9
What is the circumference of a circle whose diameter is ?
2

Answer 1

6.28 because pi x diameter = circumference.

( diameter = half of a circle)

Step-by-step explanation:

Answer 2

Answer:

the circumference of the circle = 2π = 6.28

Step-by-step explanation:

circle circumference formula is

C = 2πr = 2π(1)

r = diameter ÷ 2 = 2 ÷ 2 = 1