Angles & Lines
Types of angles, angle relationships, parallel lines, transversals, and perpendiculars
All Terms (49)
- Acute Angle
- Adjacent
- Adjacent Angles
- Alternate Angles
- Alternate Exterior Angles
- Alternate Interior Angles
- Angle
- Angle Bisector
- Arm of an Angle
- Between
- Bisect
- Bisector
- Collinear
- Complement of an Angle
- Complementary Angles
- Concurrent
- Consecutive Interior Angles
- Coplanar
- Degree
- Dihedral Angle
- Exterior Angle of a Polygon
- Horizontal
- Interior
- Interior Angle
- Line
- Line Segment
- Linear Pair of Angles
- Measure of an Angle
- Non-Adjacent
- Noncollinear
- Obtuse Angle
- Parallel Lines
- Parallel Planes
- Parallel Postulate
- Perpendicular
- Perpendicular Bisector
- Point
- Ray
- Right Angle
- Skew Lines
- Straight Angle
- Supplement
- Supplementary Angles
- Takeout Angle
- Transversal
- Vertical
- Vertical Angles
- Parallel and Perpendicular Lines
- Corresponding Angles
More in Geometry
- Area & Perimeter18
- Circles31
- Geometric Transformations19
- Geometry Foundations25
- Platonic Solids & Polyhedra24
- Quadrilaterals & Polygons34
- Surface Area & Volume62
- Triangles & Congruence72
- Logic & Proof7
- Geometric Constructions1
- Geometry Constructions1
- 3d Geometry0
- Graph Transformations & Symmetry3
- Coordinate Geometry & Analytic Methods1
- geometric-patterns-tessellations1