Question | Answer |
The set of points containing two points on a line, called endpoints. | segment |
Two lines that intersect to form right angles | Perpendicular Lines |
A triangle that has at least two congruent sides. | Isosceles Triangle |
A closed figure formed by the coplanar line segments that are joined at their endpoints. | Polygon |
An infinite set of points extending in two directions | Line |
Points that are contained on the same line | Collinear |
A union of two rays that share a common endpoint. | Angle |
Two coplanar angles that share a common vertex and a common side. | Adjacent Angles |
The angle opposite the base. | Vertex |
A position in space | Point |
The part of a triangle that is the line segment drawn from any vertex of the triangle to the midpoint of the opposite side. | Median |
The set of points extending in all directions. | Plane |
A point that divides a line segment into two congruent segments. | Midpoint |
A line that is perpendicular to the line segment, intersecting the line segment at its midpoint. | Perpendicular Bisector |
A ray whose endpoint is the vertex of the angle. | Side |
A triangle that has three congruent sides. | Equilateral Triangle |
A quadrilateral that has only one pair of parallel sides, called bases. | Trapezoid |
A quadrilateral whose opposite sides are parallel. | Parallelogram |
The congruent angles located at the base of a triangle. | Base angles |
A four sided polygon. | Quadrilateral |
Points that are contained on the same plane. | Coplanar |
A rhombus with four right angles | Square |
The line segment drawn from any vertex of the triangle, perpendicular to the opposite side. | Altitude |
A parallelogram with four congrudent sides. | Rhombus |
When two figures have the same size and shape. | Congruent |
The intersection of two rays of an angle. | Vertex |
A line that intersects the segment at its midpoint, dividing the segment into two congruent segments. | Bisector |