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Minor radius or semiminor axis of ellipse (given area and major axis)
Formula
b
minor radius or semiminor axis
S
area
a
major radius or semimajor axis
Formula description
In geometry, an ellipse is a plane curve that results from the intersection of a cone by a plane in a way that produces a closed curve. Circles are special cases of ellipses, obtained when the cutting plane is orthogonal to the cone's axis.