### Home > GC > Chapter 9 > Lesson 9.1.3 > Problem9-34

9-34.

Multiple Choice: Which ratio below is the best approximation of the ratio between the circumference of a circle and its diameter?

1. $2$

1. $3$

1. $4$

1. $6$

What is the formula for the circumference of a circle?

$\frac{\text{circumference}}{\text{diameter}}=?$

(b)