Illustration used to show how to construct a bisector of an angle when the sides intersect within the…

Illustration used to show how to construct a bisector of an angle when the sides no not intersect within…

Illustration showing that if two angles of a triangle are equal, the bisectors of these angles are equal.

Illustration of the construction used to make a perpendicular bisector of a straight line.

Illustration to show that if the diagonals of a quadrilateral bisect each other, the figure is a parallelogram.

Illustration to show that if the diagonals of a parallelogram are equal, the figure is a rectangle.

Illustrations to show that if two parallel lines are cut by a transversal, the bisectors of the interior…

Illustration to show the bisector of the vertical angle of a triangle makes with the perpendicular from…

Illustration to show if the bisector of the base angles of a triangle are drawn, and through their point…

Illustration to show the bisector of the vertical angle A of a triangle ABC, and the bisectors of the…

Illustration to show angle bisectors in a triangle. It is known as the incenter.

Illustration used to show the various parts of a triangle: sides, angles, medians, altitudes, bisectors,…

Illustration showing a perpendicular bisector of a triangle extended outside of the triangle.