20 Videos for "triangle congruence"

Why SSA and AAA Don't Work as Congruence Shortcuts  Concept
Math › Geometry › Triangles
How to determine which congruence shortcuts do not work and why. 
SSS and SAS  Problem 1
Math › Geometry › Triangles
How to use SAS and SSS to determine congruence of triangles and denote the congruence correctly. 
ASA and AAS  Problem 1
Math › Geometry › Triangles
How to use ASA and AAS to determine congruence of triangles and denote the congruence correctly. 
SSS and SAS  Problem 3
Math › Geometry › Triangles
How to use SAS and SSS to determine congruence of triangles and denote the congruence correctly. 
SSS and SAS  Problem 2
Math › Geometry › Triangles
How to use SAS and SSS to determine congruence of triangles and denote the congruence correctly. 
HL  Problem 1
Math › Geometry › Triangles
How to use HL to determine the congruence of vertical triangles and how to correctly denote the congruence. 
ASA and AAS  Problem 4
Math › Geometry › Triangles
How to use ASA and AAS to determine the congruence of adjacent triangles and denote the congruence correctly. 
ASA and AAS  Problem 3
Math › Geometry › Triangles
How to use ASA and AAS to determine the congruence of adjacent triangles and denote the congruence correctly. 
ASA and AAS  Problem 2
Math › Geometry › Triangles
How to use ASA and AAS to determine the congruence of vertical triangles and denote the congruence correctly. 
HL  Problem 2
Math › Geometry › Triangles
How to use HL to determine the congruence of adjacent right triangles and how to correctly denote the congruence. 
HL  Concept
Math › Geometry › Triangles
How to use the hypotenuse leg shortcut to determine the congruence of right triangles. 
SSS and SAS  Concept
Math › Geometry › Triangles
How to use the SAS and SSS shortcuts to determine the congruence of two triangles. 
ASA and AAS  Concept
Math › Geometry › Triangles
How to use the ASA and AAS shortcuts to determine the congruence of two triangles. 
SSS and SAS  Problem 4
Math › Geometry › Triangles
How to use SAS and SSS to determine which triangles are congruent and correctly denote the congruence. 
HL  Problem 3
Math › Geometry › Triangles
How to solve for a variable to make two right triangles congruent using the HL shortcut. 
Similarity Shortcuts  Concept
Math › Geometry › Similarity
How to determine if two triangles are similar using a shortcut. 
Similarity Shortcuts  Problem 1
Math › Geometry › Similarity
How to find a missing side of a triangle using the AA similarity shortcut. 
Similarity Shortcuts  Problem 2
Math › Geometry › Similarity
How to find a missing side of a triangle using the SAS similarity shortcut. 
Similarity Shortcuts  Problem 3
Math › Geometry › Similarity
How to determine if two triangles are similar using a shortcut. 
Properties of Similar Polygons  Problem 2
Math › Geometry › Similarity
How to find missing sides of similar triangles that share a side.