What additional information do you need to prove ∆ABC = ∆DEF by SAS? BC = EF

Is JM an altitude, a median, both or neither? (triangles are congruent by SSS)

Is JM an altitude, a median, both or neither?

What additional information do you need to prove ∆ABC = ∆DEF by AAS? <C = <F

What additional information do you need to prove ∆JKL = ∆MNO by AAS? JL = MO OR KL = NO

Is JM an altitude, a median, both or neither? (triangles are congruent by AAS)

What additional information do you need to prove ∆JKL = ∆MNO by AAA? Trick Question—∆s cannot be proven congruent by AAA!

∆JAM = ∆_____ by _______? P N M A H ∆JAM = ∆_____ by _______? HNP ASA

∆JAM = ∆_____ by _______? JBM SAS (reflexive prop)

Is JM an altitude, a median, both or neither?

∆JAM = ∆_____ by _______? R M ∆JAM = ∆_____ by _______? NOT congruent!

∆JAM = ∆_____ by _______? D A J Y M ∆JAM = ∆_____ by _______? DAY ASA (all radii of a circle are congruent)

∆JAM = ∆_____ by _______? Z M ∆JAM = ∆_____ by _______? JZM AAS (reflexive prop)

What additional information do you need to prove ∆ABC = ∆DEF by ASA?

Is JM an altitude, a median, both or neither?

Is JM an altitude, a median, both or neither?

What additional information do you need to prove ∆JKL = ∆MNO by ASA? JK = MN

∆JAM = ∆_____ by _______? K M A D ∆JAM = ∆_____ by _______? DKM AAS (vertical angles)

Is JM an altitude, a median, both or neither? (triangles are congruent by SAS)

The best thing you can do to prepare for the proof is to re-look at the proofs from this unit—especially the ones from the past 2 nights regarding altitude and median. If you would like to come in Friday morning, I will be at school around 6:30. See you then!