Using π = 3۰142, find the circumference a circle with a diameter of 9 m. Give the answer to 2 decimal places. 3۰142 × 9 = 28۰278. This is rounded to 2 decimal places. The circumference of the ...

Pi can calculate the circumference of a circle by measuring the diameter — the distance straight across the circle’s middle — and multiplying that by the 3.14-plus number ... errs by only about a ...

Around 250 B.C., the Greek mathematician Archimedes calculated the ratio of a circle's circumference to its diameter ... gives a value of 4 (8/9) 2, or 3.1605. Archimedes' value, however, was ...

If you remember from school, Pi is the ratio of a circle's circumference to its diameter. It is a number that is usually written as 3.14. Around Pi Day, or March 14, you know 3-1-4. We have shown ...