There is a square with sides of 12. What is the circumference of the biggest circle that can be cut out of this square?
Choices: A) 75.4 B) 31.42 C) 36 D) 18.85 E) 37.7
Circumference of a circle = C=2Ï€r   Square is 12 wide, so circle's diameter would be 12, and radius would be 6   C=2Ï€6 which is approximately 37.7   Answer is 37.7
<result>E</result>
There is a square with sides of 12. What is the circumference of the biggest circle that can be cut out of this square?