# shortcuts   8 videos

• #### Why SSA and AAA Don't Work as Congruence Shortcuts

##### GeometryTriangles

How to determine which congruence shortcuts do not work and why.

congruent triangles shortcuts
• #### Similarity Shortcuts

##### GeometrySimilarity

How to determine if two triangles are similar using a shortcut.

similar triangles AA SAS SSS proportion congruence
• #### Multiplying Complicated Polynomials

##### Algebra 2Polynomials

How to multiply ?ugly? polynomials by looking for patterns.

multiplying polynomials shortcuts
• #### Divisibility

##### Pre-AlgebraPrime Numbers

Shortcuts to determine whether a number is a factor of another

• #### SSS and SAS

##### GeometryTriangles

How to use the SAS and SSS shortcuts to determine the congruence of two triangles.

triangle congruence side side side side angle side
• #### ASA and AAS

##### GeometryTriangles

How to use the ASA and AAS shortcuts to determine the congruence of two triangles.

triangle congruence angle side angle angle angle side
• #### HL

##### GeometryTriangles

How to use the hypotenuse leg shortcut to determine the congruence of right triangles.

hypotenuse leg triangle congruence right triangles
• #### Central Angles and Intercepted Arcs

##### GeometryCircles

How to define a central angle and find the measure of its intercepted arc; how to describe the intercepted arcs of congruent chords.

chord central angle intercepted arc arc measure congruent chords side side side shortcut