|The tangent of a right angle is the ratio of the length of the opposite leg to the length of the adjacent leg.|
|Two coplanar circles which are tangent to the same line at the same point.|
|A segment that contains a point of tangency and another point of a tangent line to a circle.|
|A line that is coplanar with the circle and intersects the circle in exactly one point.|
|A statement that has been proved true.|
|A translation in a plane from A to A' is a transformation which maps any point P into a point P' such that PP' = AA' and PP' || AA'.|
|A line, ray, or segment that intersects two or more coplanar lines, rays, or segments, each at a different point.|
|A quadrilateral with exactly one pair of parallel sides.|
|A figure formed by three segments joining three noncollinear points.|
Note: The terms in this collection may not
be entirely accurate.
They are for reference only.