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# Chapter 4: Triangles

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### Chapter 4: Triangles - Page Text Content

S: Chapter 4 Triangles

FC: Chapter 4: Triangles The BIG Ideas

1: Side Length Classifications

2: Angle Measure Classifications

3: Look for KEY WORDS when drawing pictures for the triangles.

4: BIG IDEA: The 3 angles of any triangle will ALWAYS add to 180. | BIG IDEA: The exterior angle of a triangle is equal to the sum of the two remote interior angles.

5: CONGRUENT TRIANGLES | Corresponding Parts (items in the same places) are congruent!! Use either the congruence statement or a picture if it's given. | s

6: Four ways to prove ANY two triangles are congruent. Side-Side-Side Side-Angle-Side Angle-Side-Angle Angle-Angle-Side

7: Questions to ask yourself | Hypotenuse-Leg is ONLY for RIGHT Triangles

8: Always ask yourself your 3 questions! LABEL THE PICTURE! | Setting up Proofs

11: Ideas to Remember | * Triangle Classifications * 180 degrees in a triangle * 5 ways to prove triangle congruence * CPCTC * Proofs * Isosceles and Equilateral

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• By: Blu B.
• Joined: about 7 years ago
• Published Mixbooks: 4
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