Circular segment Circular segment In geometry, a circular segment (symbol: ⌓) is a region of a circle which is "cut off" from the rest of the circle by a secant or a chord. More formally, a circular segment is a region of two-dimensional space that is bounded by an arc (of less than 180°) of a circle and by the chord connecting the endpoints of the arc. Let "R" be the radius of the circle, "θ" the central angle in radians, α is the central angle in degrees, "c" the chord length, "s" the arc length, "h" the sagitta (height) of the
OMB Circular A-130 the system to have National security emergency preparedness guidelines that conform to Executive Order 12472. OMB Circular A-130 OMB Circular A-130, titled Management of Federal Information Resources, is one of many Government circulars produced by the United States Federal Government to establish policy for executive branch departments and agencies. Circular A-130 was first issued in December 1985 to meet information resource management requirements that were included in the Paperwork Reduction Act (PRA) of 1980. Specifically, the PRA assigned responsibility to the OMB Director to develop and maintain a comprehensive set of information resources management policies for use across the Federal