4-7 U SING C ORRESPONDING P ARTS OF C ONGRUENT T RIANGLES To identify congruent overlapping triangles To prove two triangles congruent by first proving.

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Proving Triangles Congruent

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Presentation transcript:

4-7 U SING C ORRESPONDING P ARTS OF C ONGRUENT T RIANGLES To identify congruent overlapping triangles To prove two triangles congruent by first proving two other triangles congruent

4-7 Q UIZ The following questions are designed to help you determine if you understood today’s lesson. Be sure to record the number you get right on your portfolio sheets. Journal Check will be MONDAY!! Please ask me if you don’t understand why you got the wrong answer

A. AAS B. SSS C. SAS D. ASA Non-Response Grid

2. W HICH OVERLAPPING TRIANGLES ARE CONGRUENT BY ASA? Non-Response Grid

3. N AME A PAIR OF TRIANGLES IN THE FIGURE AND STATE WHETHER THEY ARE CONGRUENT BY SSS, SAS, ASA, AAS, OR HL. Non-Response Grid

ΔCBD and ΔDEC are right triangles 4. C OMPLETE THE PROOF BY PROVIDING THE MISSING REASON. Non-Response Grid A. All right angles are congruent B. Definition of right triangle C. Definition of right angle D. HL

5. C OMPLETE THE PROOF BY PROVIDING THE MISSING REASONS. ΔCBD and ΔDEC are right triangles Definition of right triangle. Non-Response Grid A. Symmetric; HL B. Reflexive; SAS C. Reflexive; HL D. Symmetric; SAS

A SSIGNMENT 4-7 p #8 – 20 even