Angle Bisector

What is Meaning of Angle Bisector?

An Angle Bisector in geometry is a line, ray, or segment that divides an angle into two equal angles of the same measure.

What are the Properties an Angle Bisector?

The properties of Angle Bisector are:

An Angle Bisector splits an angle into two angles of precisely the same measurement.

All the point positioned along this angle bisector is equidistant from both arms and sides of the angle.

In a triangle, the Angle Bisector divides the side opposite to the angle in ratio that is equal to the ratio of the other two sides.

Can an Angle Bisector divide the Sides of a Triangle?

In a triangle, the Angle Bisector divides the side opposite to the angle in ratio that is equal to the ratio of the other two sides.

How many Angles Bisector can Bisects an Angle?

There can be only one Angle Bisector to an angle.

What is an Angle Bisector of a Triangle?

In a triangle, an Angle Bisector is a straight line that splits an angle into two equal or congruent parts. Ever triangle consists three vertices and three associated triangle. There can have up to three angle bisectors, with one originating from each vertex.

Does Angle Bisector Cut an Angle in Half?

Yes, an Angle Bisector divides the given angle into two similar angles. In other way, we can say that the measurement of each of angles is half of the original angle.

Can the Angle Bisector pass through the Midpoint?

The Angle Bisector does not always pass through the midpoint of the opposite side of a triangle. Instead, it divides the opposite side in a manner that is directly related to the lengths of the adjacent sides of the triangle.

How many Angle Bisector does a Triangle have?

A triangle has three angles, it can possess only three angle bisectors.

What is Incenter?

An incenter is the point of intersection where all three angle bisectors of a triangle converge.

What is the importance of an Angle Bisector?

Angle Bisector serve a vital role in geometry by facilitating the identification of corresponding parts in similar triangles. They help to establish a proofs and relationships concerning these triangles.

How to Prove Angle Bisector Theorem?

To prove the Angle Bisector Theorem, follow these steps:

  1. Draw a triangle with an angle bisector.
  2. Apply the Angle Bisector Theorem, which states that the ratio of the lengths of the two segments created by the angle bisector is equal to the ratio of the lengths of the two opposite sides.
  3. Use this theorem to prove the desired relationship between the sides.


Angle Bisector

Angle Bisector in geometry is a line, ray, or segment that divides an angle into two equal angles of the same measure. The word Bisector means dividing a shape or an object into two equal parts. In the case of geometry, it is often used to split triangles and angles into equal measures.

In this article, we will discuss the introduction, definition, and properties of an Angle Bisector and its meaning. We will also understand the construction of an Angle Bisector and the theorem to calculate the angle. We will also solve various examples and provide practice questions for a better understanding of the concept of this article.

Table of Content

  • What is an Angle Bisector?
  • Angle Bisector of Triangle
  • Properties of Angle Bisector
  • Construction of an Angle Bisector
  • Angle Bisector Theorem
  • Perpendicular Bisector Theorem
  • Solved Example of Angle Bisector
  • Practice Questions on Angle Bisector

Similar Reads

What is an Angle Bisector?

An Angle Bisector, within geometry, is a ray, line, or segment that effectively splits a given angle into two equal parts. In simpler terms, it’s a method of dividing an angle into two equal angles. For example, if you need to create a 60° angle, you can achieve this by first constructing a 120° angle and then dividing it using an angle bisector....

Angle Bisector of Triangle

In a triangle, an Angle Bisector is a straight line that splits an angle into two equal or congruent parts. Ever triangle consists three vertices and three associated triangle. There can have up to three angle bisectors. Angle bisectors of a triangle can be classified into two types depending on the angles they bsect...

Properties of Angle Bisector

The properties of Angle Bisector are mentioned below:...

Construction of an Angle Bisector

To construct an Angle Bisector for an angle using a ruler and compass, follow these steps:...

Angle Bisector Theorem

The Angle Bisector Theorem states that within a triangle, when an angle bisector is drawn from a vertex and it extends to one side, this bisector divides that side in a proportion equivalent to the ratio of the other two sides of the triangle, it means that the relationship between the segments formed by the angle bisector on one side is directly linked to the relative lengths of the other two sides of the triangle....

Perpendicular Bisector Theorem

The Perpendicular Bisector Theorem states that if a point is on the perpendicular bisector of a line segment, then it is equidistant from the endpoints of the line segment. In other words, if a point is equidistant from the endpoints of a line segment, it must lie on the perpendicular bisector of that line segment....

Solved Example of Angle Bisector

Example 1: If an Angle Bisector divides an angle of 120 degrees, then what will be the measure of each angle?...

Practice Questions on Angle Bisector

Q1. If an Angle Bisector divides 280degrees, then what will be the measure of each angle? Q2. Construct the Angle Bisector of 100 degrees angle. Q3. Construct an Angle Bisector of 20 degrees angle. Q4. If an Angle Bisector splits a right angle, what will be the measure each angle? Q5. Find the value of x if the ray OM is an Angle Bisector and both angle is 3x-8 and x. Q6. If an Angle Bisector splits an angle , what would be the measurement of each angles thus formed?...

Angle Bisector – FAQs

What is Meaning of Angle Bisector?...