Question

The circumference of a circle is 8π cm. What is the DIAMETER of the circle?
A) 2 cm
B) 4 cm
C) 6 cm
D) 8 cm

Answer 1

Answer:

4 cm

Step-by-step explanation:

The circumference of the circle is C = 2πr.  Here, C = 8π cm.

C = 2πr, when solved for r, results in r = C/(2π).

Here, that radius is r = (8π cm) / (2π), or 4 cm.

Since the diameter is twice the radius, d = 8 cm.

Answer 2

Answer:

The answer is B.4 cm

Step-by-step explanation:

The diameter is straight through the middle of the circle meaning that it would be half of the diameter. Meaning that you would divide 8 by 2, which is 4.

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