1
Rigidity
Explain why triangles are structurally rigid
Chapter route
Triangles – Congruence Theorems
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2
Applications
Connect triangle rigidity to real structures
3
Congruence
Describe meaning of congruent triangles
4
Correspondence
Map vertices, sides and angles between triangles
5
SAS
Use side-angle-side congruence condition
6
SSS
Use side-side-side congruence condition
7
ASA
Use angle-side-angle congruence condition
8
RHS
Use right angle-hypotenuse-side congruence condition
9
AAS
Use angle-angle-side congruence condition
10
Isosceles Triangles
Prove equal sides and equal base angles relationships
11
Propositions
Identify statements and their converses
12
Converses
Evaluate validity of converse statements
13
Counterexamples
Disprove false statements with examples
14
SSA
Understand ambiguous SSA cases
15
SSA Exceptions
Use conditions where SSA leads to congruence
16
Diagram Accuracy
Understand why diagrams support but do not replace proof
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