A subpoena duces tecum is a court order requiring the person named in it to produce certain books, papers, or other tangible things for the court.
(plural circlets) 1  A crown without arches or a covering. 2  A small circle. 3  A round body; an orb. ( UK, dialect) A circular piece of wood put under a dish at table.
Tangent â a line that intersects a circle at only one point. The radius at the point of tangency is perpendicular to the tangent line. OT TG OTTG is a radius and AThe point of tangency is the point T. is a tangent line. Secant â a line that intersects a circle at two points. SE is a secant line. Inscribed Angle-an angle made from points sitting on the circle's edge. A and C are end points. B is the apex point Radius diameterDiameter * radius.DO OICHDI*212 and are both radii. is a chord. is the diameter.