Radius of a Circle from Chord Calculator
Having an arc (circular segment) and knowing it's height (chord) and length of
its base, you can calculate the radius of the circle of which the chord is part.
The formula for the radius of a circle from an arc is
Radius = (base-length^2 / (8 * chord-length)) + chord-length/2.
All length units entered should be of the same measurement system, i.e. all metric or all
English, and of the same base i.e. all centimeters or all meters, or all inches or all feet.
Then the area output will those same units.
Note: Before using the results from this calculator, check this site's
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