Editing Circular segment (section)

== Applications ==
The area formula can be used in calculating the volume of a partially-filled cylindrical tank lying horizontally.

In the design of windows or doors with rounded tops, ''c'' and ''h'' may be the only known values and can be used to calculate ''R'' for the draftsman's compass setting.

One can reconstruct the full dimensions of a complete circular object from fragments by measuring the arc length and the chord length of the fragment.

To check hole positions on a circular pattern. Especially useful for quality checking on machined products.

For calculating the area or locating the centroid of a planar shape that contains circular segments.