9/6/2023 0 Comments Sas geometry proof example_ Given: QU AD, QD AU Prove: ΔQUD ΔADU Use the SAS Postulate to test for triangle congruence. Use the SSS Postulate to test for triangle congruence. Mathematical Processes G.1(E), G.1(G) TEKSġ0 You proved triangles congruent using the definition of congruence. G.6(D) Verify theorems about the relationships in triangles, including proof of the Pythagorean Theorem, the sum of interior angles, base angles of isosceles triangles, mid-segments, and medians, and apply these relationships to solve problems. Targeted TEKS G.6(B) Prove two triangles are congruent by applying the Side- Angle-Side, Angle-Side-Angle, Side-Side-Side, Angle-Angle-Side, and Hypotenuse-Leg congruence conditions. C D C.ĚB DE D.ěC FD _ 5-Minute Check 6 LM LN, RT RS, MN ST _ 5-Minute Check 3Ĩ Given that ΔABC ΔDEF, which of the following statements is true?Ī. L R, N S, M T 5-Minute Check 2ĥ Name the corresponding congruent sides for the congruent triangles.Ī. ΔLMN ΔTRS 5-Minute Check 1Ĥ Name the corresponding congruent angles for the congruent triangles.Ī. Postulate 4.1: Side-Side-Side (SSS) Congruence Example 1: Use SSS to Prove Triangles Congruent Example 2: SSS on the Coordinate Plane Postulate 4.2: Side-Angle-Side (SAS) Congruence Example 3: Real-World Example: Use SAS to Prove Triangles are Congruent Example 4: Use SAS or SSS in Proofs Lesson Menuģ Write a congruence statement for the triangles.Ī. LESSON 4–4 Proving Triangles Congruent – SSS, SASĢ Five-Minute Check (over Lesson 4–3) TEKS Then/Now New Vocabulary
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