Triangle Congruence
Proof reasons
200

This is used when two sides and the included angle are congruent

What is the side-angle-side postulate?

200

If two segments are cut equally down the middle, you would use this reason

What is definition of bisect?

300

This is used when all three sides are congruent

What is the side-side-side postulate?

300

You would use this reason when segment AB is congruent to segment AB

What is the reflexive property?

400

Which postulate/theorem would you use to prove these triangles congruent?

What is angle-side-angle?

400

When two lines form an "x", you would use this reason to prove the top and bottom angles congruent

What is "vertical angles are congruent"?

500

Which theorem would you use to prove these triangles congruent?

What is the angle-angle-side theorem?

500

What reason would you use to prove angle ABC is congruent to angle BCD?

What is the alternate interior angle theorem?