'Prove triangles congruent' presentation slideshows

4-3

4-3. Congruent Triangles. Holt Geometry. Warm Up. Lesson Presentation. Lesson Quiz. FG , GH , FH , ? F , ? G , ? H. Warm Up 1. Name all sides and angles of ? FGH . 2. What is true about ? K and ? L ? Why? 3. What does it mean for two segments to be congruent?.

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Unit 5

Unit 5. Proving Triangles Congruent. Midterm Reflection. What was your goal? What was your actual grade? Why did you meet/not meet your goal? What were your strengths? What areas do you need to work on? What are you going to do to succeed on the next test?. Section 1.

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4-6

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Warm Up

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4-3

4-3. Triangle Congruence: SSS and SAS. Holt Geometry. Warm Up. Lesson Presentation. Lesson Quiz. 4.3 Congruent Triangles by SSS - SAS. AB , AC , BC. QR ? LM , RS ? MN , QS ? LN , ? Q ? ? L , ? R ? ? M , ? S ? ? N. Warm Up 1. Name the angle formed by AB and AC .

512 views • 25 slides

4-4

4-4. Triangle Congruence: SSS and SAS. Holt Geometry. Warm Up. Lesson Presentation. Lesson Quiz. AB , AC , BC. QR ? LM , RS ? MN , QS ? LN , ? Q ? ? L , ? R ? ? M , ? S ? ? N. Warm Up 1. Name the angle formed by AB and AC . 2. Name the three sides of ? ABC .

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Warm Up 1. If ? ABC ? ? DEF , then ? A ? ? and BC ? ? .

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4-7

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Warm Up

Prove Triangles Congruent by SAS and HL. Warm Up. Lesson Presentation. Lesson Quiz. Given: DF bisects CE , DC DE. Prove: ?CDF ?EDF. C. F. D. E. ANSWER.

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4-4

4-4. Congruent Triangles. Holt Geometry. Warm Up. Lesson Presentation. Lesson Quiz. Holt McDougal Geometry. FG , GH , FH , ? F , ? G , ? H. Warm Up 1. Name all sides and angles of ? FGH . 2. What is true about ? K and ? L ? Why?

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Prove Triangles Congruent by SSS

Prove Triangles Congruent by SSS. Prove Triangles Congruent by SSS. Side-Side-Side (SSS) Congruence Postulate:. Prove Triangles Congruent by SSS. Side-Side-Side (SSS) Congruence Postulate:

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Unit 4 and 5 Review

Unit 4 and 5 Review. Very Important. You need to study: ALL notes and textbook from 4.2, 4.3, 5.1-5.4 PROOFS will be a big part of this test. You CANNOT leave them blank. What are the 5 reasons we use to prove triangles congruent?. SSS SAS ASA AAS HL.

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Warm Up

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4.4 (M1) Prove Triangles Congruent by SAS & HL

4.4 (M1) Prove Triangles Congruent by SAS & HL. Vocabulary. In a right triangle, the sides adjacent to the right angle are the legs. The side opposite the right angle is the hypotenuse .

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You will be able to apply ASA, AAS, and HL to construct triangles and to solve problems.

Objectives. You will be able to apply ASA, AAS, and HL to construct triangles and to solve problems. You will be able to prove triangles congruent by using ASA, AAS, and HL.

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Prove certain triangles are similar by using AA, SSS, and SAS.

CN#5 Objectives. Prove certain triangles are similar by using AA, SSS, and SAS. Use triangle similarity to solve problems.

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4.4 SAS and HL

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3.8 HL

3.8 HL. Objectives: Use HL in proofs to prove triangles congruent. S. B. R. T. A. C. Hypotenuse-Leg Congruence Theorem (HL). If the hypotenuse and a leg of a right triangle are congruent to the hypotenuse and a leg of a second right triangle, then the two triangles are congruent. (HL).

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4.2 Triangle Congruence by SSS and SAS

4.2 Triangle Congruence by SSS and SAS. You can prove that two triangles are congruent without having to show that all corresponding parts are congruent. You will prove triangles congruent by using: Three pairs of corresponding sides.

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Game Plan: Today I will be able to use the R, S, T properties to prove triangles congruent using SSS and SAS. Warm-up:

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