<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />

# Proportions with Angle Bisectors

## Angle bisectors divide triangles proportionally.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Proportions with Angle Bisectors

by CK-12 //basic
Apply the fact that an angle bisector divides a triangle proportionally.
MEMORY METER
This indicates how strong in your memory this concept is
3
• Video

## Angle Bisector Theorem Proof

by CK-12 //basic
This is a Khan Academy video describing the Angle Bisector Theorem and its proof.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Proportions with Angle Bisectors Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on proportions and angle bisectors.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Proportions with Angle Bisectors Examples - Basic

by CK-12 //basic
This video provides the student with a walkthrough of one or more examples from the concept "Proportions with Angle Bisectors".
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## The Triangle Angle Bisector Theorem

by CK-12 //basic
States and proves the triangle angle bisector theorem.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Using the Properties of the Triangle Angle Bisector Theorem to Determine Unknown Values

by CK-12 //basic
Shows how to solve problems involving the properties of the triangle angle bisector theorem to determine unknown values.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Flashcards

## Proportions with Angle Bisectors Flashcards

by CK-12 //basic
These flashcards help you study important terms and vocabulary from Proportions with Angle Bisectors.
MEMORY METER
This indicates how strong in your memory this concept is
0