Learning Path for If Angles Congruent Trapezoid Isosceles

The following is a list of all proofs that are used to prove either If Angles Congruent Trapezoid Isosceles or its ancestor proofs.

Transitive Property of Equality Variation 2

Angle Symmetry Example 2

Collinear Angles Property 10

Collinear Angles Property 3

Collinear Angles Property 3 B

Collinear Then Equal

Distance Property 2

Distance Property 1

Collinear Points Theorem

Subtract Both Sides

Add Term to Both Sides 6

Subtract Both Sides 2

Add Term to Both Sides 7

Transitive Property of Equality Variation 1

Vertical Angles

Angle Addition Theorem

Collinear Angles Property 9

Collinear Angles B

Exterior Angle is Greater

Exterior Angle B

Collinear Angles Property 3 C

Alternate Interior Angles Theorem

Alternate Interior Angles Theorem (Converse)

Parallel Then Aia 2

Vertical Angles C

Parallel Then Corresponding

Parallel Then Corresponding 2

Parallel Then Corresponding Short

Angle Symmetry Example

Angle Symmetry 2

Alternate Interior Angles Theorem (Converse) 2

Commutative Property Example 2

Commutative Property Variation 1

Term 2 Substitution

Substitution 8

Angle Symmetry B

Substitution Example 10

Substitute First Term

Triangles Sum to 180

Equality Example

Third Angle Theorem

Angle Angle Side Triangle

Distance Property 3

Congruent Triangles to Distance

Two Angles Equal Then Isosceles

Two Angles Equal Then Isosceles 2

Parallel Then Parallelogram

Alternate Interior Angles Theorem (Converse) 6

Angle Symmetry 4

If Parallelogram Diagonal Then Congruent Triangles

If Parallelogram Then Sides Congruent

If Angles Congruent Trapezoid Isosceles

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