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Unit 4 and 5 Review. Very Important. You need to study: ALL notes and textbook from 4.2, 4.3, 5.1-5.4 PROOFS will be a big part of this test. You CANNOT leave them blank. What are the 5 reasons we use to prove triangles congruent?. SSS SAS ASA AAS HL.
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Very Important • You need to study: • ALL notes and textbook from 4.2, 4.3, 5.1-5.4 • PROOFS will be a big part of this test. You CANNOT leave them blank
What are the 5 reasons we use to prove triangles congruent? • SSS • SAS • ASA • AAS • HL
After you prove triangles congruent, what reason can you use to prove OTHER parts are congruent? • CPCTC
What do you know…. • About the three angles of any triangle? • About the acute angles of a right triangle?
Draw this diagram • 2 equilateral triangles with a shared side of MN. They are triangle OMN and triangle LMN • If triangles are equilateral, they are also________________ • This means their angles are each _____ degrees
Draw a diagram • Triangle with an exterior angle of x and remote interior angles of 54 and 29 degrees
Proving triangles congruent • You will need to • Mark your diagrams • State the reason • State the congruence
What CAN you mark on your diagrams? • Vertical angles • Shared side • Parallel line relationships • Alt int • Alt ext • corresponding
Given: G is the midpoint of HT <2 = <3 • Prove: HD = GT H G D T
Overlapping triangles H G • Review #19 and F I