Question

What is the approximate circumference of a circle with a radius of 6 centimeters?
A.12
B.18
C.24
D.36
My teacher says it's D and I agree but for the next question he says it's 12 and aren't these two questions the same?

What is the circumference of the circle below?

The circle shows a radius of 6 yards and doesn't show anything else.
A.6
B.12
C.18
D.36
He says it's B but I thought it was D because both these questions look the same.

Can someone explain to me?

Answers

Ms. Sue
They both look the same to me, too.

For both problems the diameter would be 12 is that why he said it was B for the second problem?
What's the approximate circumference of the circle with a 16 cm

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