Question

What is circumference? Please select all that apply:

A) distance around the circle
B) the space inside the circle
C) To find the circumference C of a circle if you know the diameter d is to multiply pi by the diameter
D) To find the circumference if you know the radius, replace d with 2r in the formula
E) the formula for circumference is C=pi + r

Answer 1

A, C and D are correct.

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Explanation:

A is correct.

B is false; that space is the "area" of the circle.

C is true. C = πd

D is true. C = 2πr

E is false. Way off.