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why 360 degrees?
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3D and higher
Browse Middle School Conic Sections/Circles
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Selected answers to common questions:
Circle formulas - area, circumference.
Is a circle a polygon?
Why is a circle 360 degrees?
- What is the Circumference of the Reservoir? [04/09/2003]
John and Tina start running around a round reservoir in opposite
directions, meeting for the first time after John has traveled 100
yards, and again 60 yards before Tina has completed her first lap.
- What is the difference between these two Pi formulas? [01/30/2001]
To find the circumference of a circle, I know how to use Pi*Diameter and
2*Pi*R, but people have told me about Pi*R*squared. What is that?
- Why 6.28 Radians? [10/07/1998]
Why is a circle divided into approximately 6.28 radians?
- Why are Manhole Covers Round? [05/09/2000]
Why are most manhole covers round? Why aren't manhole covers on the
streets squares or rectangles?
- Why Does 1 Degree Equal 60 Minutes? [07/28/2004]
In 60 minutes, the minute hand of a clock makes a full circle, which
is 360 degrees. How can 60 minutes equal 1 degree when measuring angles?
- Why Is a Circle 360 Degrees? [07/01/1998]
Why is a circle defined as 360 degrees?
- Why is Pi a Constant? [08/01/2000]
Why is the circumference of a circle divided by the diameter, or pi, the
same number for every circle?
- Why Pi? [07/19/2002]
Instead of using pi, why don't we measure the radius and circumference
of a given circle, and use that ratio to find the area? Wouldn't that
be more accurate?
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