4.4 Proving Triangles are Congruent: ASA and AAS. Geometry Mrs. Spitz Fall 2004. Objectives:. Prove that triangles are congruent using the ASA Congruence Postulate and the AAS Congruence Theorem Use congruence postulates and theorems in real-life problems. Assignment.

By4.4 Proving Triangles are Congruent: ASA and AAS. Geometry Mrs. Spitz Fall 2004. Objectives:. Prove that triangles are congruent using the ASA Congruence Postulate and the AAS Congruence Theorem Use congruence postulates and theorems in real-life problems. Assignment.

By4.5 Using Congruent Triangles. Objectives/Assignment. Use congruent triangles to plan and write proofs Use congruent triangles to prove constructions are valid Assignment: 2-18 even, 26-36 even. Goal 1: Planning a Proof.

ByTopic: U7L6 Proving Congruence--ASA and AAS. EQ: What are ASA and AAS and how do I use them in proofs?. Angle-Side-Angle (ASA) Congruence Postulate. B.

ByUnits 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.

ByUse the following method to find the distance across a river, from point N to point P. Place a stake at K on the. near side so that NK NP. Find M , the midpoint of NK. Locate the point L so that NK KL and L , P , and M. are collinear. EXAMPLE 2.

ByGIVEN. CE BD ,. ∠ CAB CAD. ABE ADE. PROVE. EXAMPLE 3. Write a flow proof. In the diagram, CE BD and ∠ CAB CAD. ABE ADE. Write a flow proof to show. EXAMPLE 4. Standardized Test Practice.

By4.7 Use Congruent Triangles. You will use congruent triangles to prove corresponding parts congruent. Essential Question: How can you use congruent triangles to prove angles or sides congruent?. You will learn how to answer this question by using corresponding parts of congruent triangles.

ByUse Congruent Triangles. Warm Up. Lesson Presentation. Lesson Quiz. Suppose that ∆ XYZ ∆ RST . Complete each statement. ?. ?. ?. 1. XY. 3. m S = m. RS. Y. ANSWER. ANSWER. Z. 2. . T. ANSWER. Warm-Up.

ByCan the triangles be proven congruent with the information given in the diagram? If so, state the postulate or theorem you would use.

ByUse the following method to find the distance across a river, from point N to point P. Place a stake at K on the. near side so that NK NP. Find M , the midpoint of NK. Locate the point L so that NK KL and L , P , and M. are collinear. EXAMPLE 2.

ByUse the following method to find the distance across a river, from point N to point P. Place a stake at K on the. near side so that NK NP. Find M , the midpoint of NK. Locate the point L so that NK KL and L , P , and M. are collinear. EXAMPLE 2.

ByGIVEN. CE BD ,. ∠ CAB CAD. ABE ADE. PROVE. EXAMPLE 3. Write a flow proof. In the diagram, CE BD and ∠ CAB CAD. ABE ADE. Write a flow proof to show. EXAMPLE 4. Standardized Test Practice.

ByGIVEN. ∠ RTQ RTS. 1 2 ,. QT ST. PROVE. If you can show that QRT SRT , you will know that QT ST. First, copy the diagram and mark the given. information. EXAMPLE 1. Use congruent triangles.

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