# Math

Hello, could someone please go over the steps for this question? Thank you!

The middle line going through the circle is 8.4
(I'm so sorry I don't know the name of the line, brain ).

A) 12.6 pi cm
B) 4.2 pi cm
C) 16.8 pi cm
D) 8.4 pi cm

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1. The line going through the middle of the circle is the diameter.

C = pi * d

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Ms. Sue
2. How would I turn that into terms of pi though? Because I got 43.96 by using your formula.

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3. Look at your answer choices. All of them use pi, not the numerical valuation of pi.

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Ms. Sue
4. Wait... would it be B then since it is the closest?

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5. I'm confused, because the circumference is 8.4 pi. But how did we get that?

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6. So I used the actual formula which is c=pi(d) and got 26.376 but that isn't an answer choice and isn't the correct answer.

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7. 8.4 pi = pi * 8.4

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Ms. Sue
8. Thx!!!!!!!!!!! i'm still convinced your a teacher tho -_-...

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