You want to calculate the circumference of a circular skating pond by multiplying the diameter times pi. Which of the following values of pi will give the most accurate answer: 3.14, 3.14159, 22/7

Question

22/7
, or 3.1416?

Answer 1

To determine which value of pi will provide the most accurate circumference calculation, we can compare the given values to the true value of pi (approximately 3.14159265359).

The values you provided are:

• 3.14 (accuracy to two decimal places)
• 3.14159 (accuracy to five decimal places)
• 22/7 (approximately 3.142857...)
• 3.1416 (accuracy to four decimal places)

Among these options, 3.14159 is the closest approximation to the true value of pi and is accurate to five decimal places.

So, the most accurate value of pi to use for calculating the circumference is 3.14159.