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4.3 Proving Triangles are Congruent Side-Side-SideSide-Angle-Side

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Side-Side-Side If three sides of one triangle are congruent to three sides of another triangle, then the triangles are congruent.

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Side-Angle-Side If two sides and an angle between the sides are congruent in two different triangles, then the triangles are congruent.

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Name the congruent Triangles

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Prove

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#1.#1.Given #2. #2. Vertical angles congruent #3.#3.Given #4.#4.S.A.S. (side-angle-side)

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Prove #1.#1.Given #2.#2. Vertical angles congruent #3.#3.Given #4.#4.S.A.S. (side-angle-side)

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Prove #1.#1.Given #2.#2. Vertical angles congruent #3.#3.Given #4.#4.S.A.S. (side-angle-side)

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Prove #1.#1.Given #2.#2. Vertical angles congruent #3.#3.Given #4.#4.S.A.S. (side-angle-side)

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Prove #1.#1.Given #2.#2. Vertical angles congruent #3.#3.Given #4.#4.S.A.S. (side-angle-side)

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Prove #1.#1.Given #2.#2. Vertical angles congruent #3.#3.Given #4.#4.S.A.S. (side-angle-side)

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Prove #1.#1.Given #2.#2. Vertical angles congruent #3.#3.Given #4.#4.S.A.S. (side-angle-side)

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Can you prove What do you need to show Congruent

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Given: Prove: #1.#1.Given #2., are #2.Def. of Prep. Lines right angles #3.#3.All Rt. Angles #4.#4.Reflexive #5.#5.S.A.S.

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Given: Prove: #1.#1.Given #2., are #2.Def. of Prep. Lines right angles #3.#3.All Rt. Angles #4.#4.Reflexive #5.#5.S.A.S.

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Given: Prove: #1.#1.Given #2., are #2.Def. of Prep. Lines right angles #3.#3.All Rt. Angles #4.#4.Reflexive #5.#5.S.A.S.

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Given: Prove: #1.#1.Given #2., are #2.Def. of Prep. Lines right angles #3.#3.All Rt. Angles #4.#4.Reflexive #5.#5.S.A.S.

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Given: Prove: #1.#1.Given #2., are #2.Def. of Prep. Lines right angles #3.#3.All Rt. Angles #4.#4.Reflexive #5.#5.S.A.S.

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Given: Prove: #1.#1.Given #2., are #2.Def. of Prep. Lines right angles #3.#3.All Rt. Angles #4.#4.Reflexive #5.#5.S.A.S.

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Given: Prove: #1.#1.Given #2., are #2.Def. of Prep. Lines right angles #3.#3.All Rt. Angles #4.#4.Reflexive #5.#5.S.A.S.

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Given: Prove: #1.#1.Given #2., are #2.Def. of Prep. Lines right angles #3.#3.All Rt. Angles #4.#4.Reflexive #5.#5.S.A.S.

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Given: Prove: #1.#1.Given #2., are #2.Def. of Prep. Lines right angles #3.#3.All Rt. Angles #4.#4.Reflexive #5.#5.S.A.S.

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Homework Page 216 #6 -17, 23, 26

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Homework Page 217- 219 #18 – 22, 24, 25, 28, 34, 35, 41 – 43

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