Related Terms: Perpendicular bisector, Diagonal, Hexagonal, Rectangle, Median of a triangle, Alternate interior angles, Quadrilateral, Regular polygon, Decagon, Hypotenuse, Convex polygon, Perpendicular, Rhombus, Tetragonal, Apothem, Rhomboid, Hexagon, Isosceles trapezoid, Square, Tangent, Right triangle, Vertical angles, Corresponding angles, Cotangent, Polygon , Adjacent angles, Cyclic quadrilateral, Rectangular, Triangle, Angle bisector, Kite , Equilateral triangle, Parallelogram, Vertical, Scalene triangle, Leg, Pentagon, Heptagon, Isosceles, Asymmetrical, Inscribed angle, Octahedron, Subtend, Isosceles triangle, Straight angle, Orthogonality, Skew, Cosine, Symmetrical, Decussate