The underground tunnel of the Large Hadron Collider forms a giant circle with a radius of 4.24 kilometers. (C = 2*pi*r) What is the circumference of the tunnel? Express your answer in terms of pi. C = [ ] pi kilometers
![The underground tunnel of the Large Hadron Collider forms a giant circle with a radius of 4.24 kilometers. (C = 2*pi*r) What is the circumference of the tunnel? Express your answer in terms of pi. C = [ ] pi kilometers](https://media.hwhelper.com/909d4491-d936-4c57-9ea6-06de8374ca6b-compressed.jpg)
Answer
To find the circumference of the tunnel, we use the given formula C = 2 * pi * r. Here, the radius r is given as 4.24 kilometers. Substitute r = 4.24 into the formula: C = 2 * pi * 4.24. Multiply 2 by 4.24 to get 8.48. Thus, the circumference in terms of pi is 8.48 pi kilometers.