The chapter on “Circles” forms an important part of Mathematics. This chapter includes many interesting and useful formulae. One such formula is the circumference of the circle. Students must know and ...

The ability to round a number to a number of decimal places or to a number of significant figures means that answers can be written to an agreed degree of accuracy. Watch the video to learn how ...

STEP 1 - WRAP RIBBON: Take the ribbon and wrap it around a glass. Mark where the ribbon overlaps itself. Image caption, STEP 2 - CUT CIRCUMFERENCE: Cut the ribbon at the point where it overlaps. You ...

Scientific American presents Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. Throughout history, circles have symbolized many things: unity, ...

Arnold Packer chairs the Scans 2000 Center within the Institute for Policy Studies at Johns Hopkins University in Baltimore. The center is conducting the study mentioned in the essay. Successful 5th ...

This is a simple program that prompts the user to enter the radius of a circle and it will return back the circumference. First, I assigned const to pi to ensure that pi remains the same value ...

Enter the circle’s radius in the indicated field and select the dimension unit. Optionally, you can use the diameter and perimeter – circumference to calculate the circle’s area. If we have a circle ...

Every year, the celebration of Pi Day (March 14 is 3.14) grows more ambitious. Math teachers love to dream up unique classroom activities to celebrate Pi for it endless opportunity to calculate ...