Learning Path for Hypothenuse-Leg (HL) Theorem

The following is a list of all proofs that are used to prove either Hypothenuse-Leg (HL) Theorem or its ancestor proofs.

Transitive Property of Equality Variation 2

Collinear Points Theorem

Supplementary Angles Theorem (Converse)

Commutative Property Example 2

Commutative Property Variation 1

Term 2 Substitution

Substitution 8

Subtract Both Sides

Subtraction Example 2

Add Number to Both Sides

Add Number to Both Sides 2

Angle Symmetry Example 2

Transitive Property of Equality Variation 1

Distance Property 1

Distance Property 2

Distance Property 3

Congruent Triangles to Distance 3

Collinear Angles Property 9

Transitive Property Application 2

Angles of an Isosceles Triangle

Angle Symmetry Example

Angle Symmetry 2

Isosceles Triangle B

Collinear Angles Property 10

Collinear Angles Property 3

Collinear Angles Property 3 B

Collinear Angles Property 3 C

Propagated Transitive Property 3

Add Term to Both Sides 6

Subtract Both Sides 2

Add Term to Both Sides 7

Vertical Angles

Angle Addition Theorem

Collinear Angles B

Exterior Angle is Greater

Exterior Angle B

Alternate Interior Angles Theorem

Alternate Interior Angles Theorem (Converse)

Alternate Interior Angles Theorem (Converse) 2

Angle Symmetry B

Substitution Example 10

Substitute First Term

Triangles Sum to 180

Equality Example

Third Angle Theorem

Angle Angle Side Triangle

Angle Angle Side Triangle 2

Congruent Triangle Transitive Property

Hypothenuse-Leg (HL) Theorem

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