**A circle has an area of 169 π in2. Which of the following is the circumference of the circle in terms of pi ( )?**

13 π in

26 π in

7.5 π in

20 π in

*Correct Answer : B*

We need to find the radius of the circle in order to find circumference of the circle. If we let r to be radius of the circle, then

Substituting 169*π* in place of area

* *

Dividing both sides by pi and taking square root on both sides yields

The radius of the circle from the given area is 13 in. and the circumference of the circle is given by the relation:

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### Correct Answer is D

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### Correct Answer is A

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To find the cheapest option, we find the amount the consume will spend for each option given.:

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