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An easy to use online calculator to calculate the arc length S and area A of a sector given its radius and its central angle t.
In the above formulas t is in radians. However this calculator takes angle t in degrees and convert in radians.
How to use the calculator
Enter the radius and central angle in DEGREES as positive real numbers and press "enter". The outputs are the arclength and area.
More Online Geometry Calculators and Solvers.
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