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Solve your circular segment problems with these formulas:

c = 2√ h(2r - h)  r = (c2 + 4h2) / 8h l = 0.01745ra h = r - 0.5√ 4r2 - c2  a = 57.296l / r h = r[1 - cos(a/2)]

Or use this application to quickly calculate circular segment dimensions such as chord length, chord height, arc length, arc radius and included angle. Values can be instantly converted between inch and metric systems.

Try it for FREE! Download the DEMO