Math 4 fun
Monday, November 15, 2010
Circle equations formulas and calculator
If you have one unknown variable:
circumference (c)
area (A)
radius (r)
or diameter of the circle (d)
just type it in the calculator below. Other values will be calculated quickly using the following formulas:
where π is calculated to 10 significant digits.
Name
Label
Value
Radius
r
Diameter
d
Circumference
c
Area
A
Yabba dabba do :)
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