Hyperbolic geometry or hypercycle, then the triangle has no circumscribed circle. As in spherical and elliptical geometry, in hyperbolic geometry if two triangles are similar, they must be congruent. A special polygon in hyperbolic geometry is the regular apeirogon, a uniform polygon with an infinite number of sides. In Euclidean geometry, the only way to construct such a polygon is to make the side lengths tend to zero and the apeirogon is indistinguishable from a circle, or make the interior angles tend to 180 degrees and the apeirogon approaches a straight line. However, in hyperbolic geometry, a regular apeirogon has sides of
OMB Circular A-126 than the basic pay equivalent to a member of the Senior Executive Service (). Active duty military officers are exempted from this definition. All agency officials with the statutory authority to procure aircraft must ensure that their policies and procedures comply with the requirements of OMB Circular A-76, and that those programs comply with the internal control requirements of OMB Circular A-123. Any material weaknesses must be reported to the President and the United States Congress. The development of policies and procedures must be done in cooperation with the GSA. If the agency does not have systems that conform to