GeoH 8.2 Proving Triangles Similar Using AA

e

h

a

AA~ Theorem

Right Angles Cong. Theorem

Given

Alt. Ext. Angles Theorem

Transitive POC

Symmetric POC

Vertical Angles Cong. Theorem

Alt. Int. Angles Theorem

h

g

e

d

Def. of Congruent Angles

Alt. Int. Angles Theorem

Given

Transitive POC

AA~ Theorem

Corresponding Angles Theorem

Reflexive POC

Def. of Parallel Lines

e

f

g

h

Given

Third Angles Theorem

Corresponding Angles Theorem

Def. of Congruent Angles

AA~ Theorem

Alt. Int. Angles Theorem

Reflexive POC

Symmetric POC

e

h

g

c

Def. of Congruent Angles

Vertical Angles Cong. Theorem

AA~ Theorem

Right Angles Cong. Theorem

Given

Combine Like-Terms

Third Angles Theorem

Symmetric POC

e

h

g

c

Alt. Int. Angles Theorem

Right Angles Cong. Theorem

Given

Def. of Congruent Angles

AA~ Theorem

Symmetric POC

Reflexive POC

Corresponding Angles Theorem

e

f

g

h

a

c

AA~ Theorem

Third Angles Theorem

Combine Like-Terms

Subtraction POE

Addition POE

Def. of Congruent Angles

Given

Triangle Sum Theorem