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Definition--Angle Concepts--Angle Bisector

Angle Bisector

Angle Bisector

Topic

Angles

Definition

An angle bisector is a line or ray that divides an angle into two equal parts.

Description

Angle bisectors are used in various geometric constructions and proofs, such as constructing the incenter of a triangle, which is the point where the angle bisectors of a triangle intersect. In practical applications, angle bisectors are used in design and architecture to create symmetrical and balanced structures. For students, learning about angle bisectors enhances their understanding of geometric constructions and the properties of angles, contributing to their overall mathematical proficiency.

Angle Bisector
How do you know the vertical rope is 
an angle bisector for the ladder?

For a complete collection of terms related to Angles click on this link: Angles Collection.

Common Core Standards CCSS.MATH.CONTENT.2.G.A.1, CCSS.MATH.CONTENT.4.MD.C.5, CCSS.MATH.CONTENT.4.G.A.1, CCSS.MATH.CONTENT.7.G.B.5
Grade Range 4 - 8
Curriculum Nodes Geometry
    • Angles and Planes
        • Definition of an Angle
Copyright Year 2021
Keywords angle, definitions, glossary term