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Circle formulae

Circle formulae

Timur2011-06-24 20:46:34

Some circle formulae with simple calculator

Circumference $L=2 \pi R$
Area of a circle $S=\pi R^2$
Area of a sector $S=\frac{\alpha R^2}{2}$ , where alpha - sector angle in radians

Circle formulae
Radius
Sector (degrees)
Calculation precision
Digits after the decimal point: 2
Area of the circle

Area of the sector

Circumference

area circle circumference Geometry Math

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PLANETCALC, Circle formulae

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