'Sas postulate' diaporamas de présentation

4.4-4.5 & 5.2: Proving Triangles Congruent

4.4-4.5 & 5.2: Proving Triangles Congruent. p. 206-221, 245-251. Adapted from:. http://jwelker.lps.org/lessons/ppt/geod_4_4_congruent_triangles.ppt. SSS - Postulate.

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4-4

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Triangle Congruence by ASA and AAS

Triangle Congruence by ASA and AAS. Students will recognize the significance of elements in a triangle, such as the congruence of sides and angles, and will determine the congruence (or lack thereof) between two triangles using ASA and AAS. 4-3 Quiz.

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Triangle Congruence by ASA and AAS

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Lesson 4-4

Lesson 4-4. Proving Congruence: SSS and SAS. Transparency 4-4. 5-Minute Check on Lesson 4-3. Refer to the figure. 1. Identify the congruent triangles. 2. Name the corresponding congruent angles for the congruent triangles.

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Congruent Triangle Methods

Congruent Triangle Methods. Side-Side-Side (SSS) Postulate. If the three sides of one triangle are congruent to the three sides of another triangle, then the two triangles are congruent. Side-Side-Side (SSS) Postulate. If AN ?LC , NP ?CK , and AP ? LK , then ?APN ? ?LKC. Using SSS.

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Similarity Theorems

Similarity Theorems. Similarity in Triangles. Angle-Angle Similarity Postulate (AA~) - If two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar. W. V. S. 45 ?. 45 ?. ?WRS ? ?BVS because of the AA~ Postulate. R. B.

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What can you conclude from each diagram? 1. 2. 3.

What can you conclude from each diagram? 1. 2. 3. What other information do you need to prove. 1. In VGB , which sides include ? B ? 2. In STN , which angle is included between NS and TN ? 3. Which triangles can you prove congruent?

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Geometry Journal 4

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Similarity Theorems

Similarity Theorems. Similarity in Triangles. Angle-Angle Similarity Postulate (AA~) - If two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar. W. V. S. 45 ?. 45 ?. ?WRS ? ?BVS because of the AA~ Postulate. R. B.

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What can you conclude from each diagram? 1. 2. 3.

What can you conclude from each diagram? 1. 2. 3. A. List all pairs of sides and their included angles. List all angles pairs and their included sides. B. C. Using SAS. 1. In VGB , which sides include ? B ? 2. In STN , which angle is included between NS and TN ?

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Splash Screen

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Proving Triangles Congruent

Proving Triangles Congruent. MARK PAUL DE GUZMAN. SSS POSTULATE. SAS POSTULATE. ASA POSTULATE. AAS THEOREM. POSTULATE:. Are accepted as true statement and are used to justify conclusions. THEOREM.

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Warm Up March 18

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Triangle Congruence: by SSS and SAS

Triangle Congruence: by SSS and SAS. Geometry (Holt 4-5) K. Santos. Side-Side-Side (SSS) Congruence Postulate (4-5-1). If the three sides of one triangle are congruent to the three sides of another triangle , then the two triangles are congruent .

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Units 4.3 & 4.4 Proofs & Congruent Triangles

Units 4.3 & 4.4 Proofs & Congruent Triangles. Can the triangles be proven congruent with the information given in the diagram? If so, state the postulate or theorem you would use.

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Lesson 4-3

Proving Triangles Congruent. Lesson 4-3. (SSS, SAS, ASA). A. D. F. B. C. E. Postulates. If the sides of one triangle are congruent to the sides of a second triangle, then the triangles are congruent. SSS. Included Angle:.

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Lesson 4-3

Proving Triangles Congruent. Lesson 4-3. (SSS, SAS, ASA). A. D. F. B. C. E. Postulates. If the sides of one triangle are congruent to the sides of a second triangle, then the triangles are congruent. SSS. Included Angle:.

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Chapter 4 Review

Chapter 4 Review. Cut-n-Paste Proofs. SAS Postulate. X is midpoint of AC. Definition of Midpoint. Given. Vertical Angles Theorem. X is midpoint of BD. Substitution property. Vertical Angles Theorem. ASA Postulate. Given. CPCTC. Definition of Perpendicular. Given. AAS Theorem.

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Congruent Triangles

Congruent Triangles. 10/19/11. Side-Side-Side Postulate. SSS Postulate : When the sides of one triangle are congruent to the sides of another triangle. SAS Postulate (Side-Angle-Side).

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