'Congruence theorem' diaporamas de présentation

Congruence theorem - PowerPoint PPT Presentation

Sections 4.3 - 4.5

Sections 4.3 - 4.5

Sections 4.3 - 4.5. Triangle Congruence. Example 1:. Assume that G is the midpoint of . Explain whether or not ?FGJ and ?HGJ are congruent. ?FGJ ? ?HGJ by SSS. On Your Own 1:. Decide whether or not the congruent statement is true. Explain your reasoning. a. b. ? by SSS.

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3.7 Midsegments of Triangles

3.7 Midsegments of Triangles

3.7 Midsegments of Triangles. Notes. Midsegment of a Triangle : a segment whose endpoints are the midpoints of two sides. Activity 1: Triangle Midsegments. A. Draw ? ABC. Find the midpoints, M and N, of sides AB and AC. Then draw MN, the midsegment .

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Lesson 1-4

Lesson 1-4

Angles. Lesson 1-4. Angle and Points. An Angle is a figure formed by two rays with a common endpoint, called the vertex. ray. vertex. ray. Angles can have points in the interior, in the exterior or on the angle. A. E. D. B. C.

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GEOMETRY: Chapter 4

GEOMETRY: Chapter 4

GEOMETRY: Chapter 4. 4.6: Use Isosceles and Equilateral Triangles. Theorem 4.6: BASE ANGLES THEOREM If two sides of a triangle are congruent, then the angles opposite them are congruent. Images taken from: Geometry. McDougal Littell: Boston, 2007. P. 264.

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Lesson 1-5

Lesson 1-5

Pairs of Angles. Lesson 1-5. Adjacent Angles. Definition:. A pair of angles with a shared vertex and common side but do not have overlapping interiors. Examples:. ?1 and ?2 are adjacent. ?3 and ?4 are not. ?1 and ?ADC are not adjacent. 4. 3. Adjacent Angles( a common side ).

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Section 4.6 Isosceles, Equilateral and Right Triangles

Section 4.6 Isosceles, Equilateral and Right Triangles

Section 4.6 Isosceles, Equilateral and Right Triangles. Review: Ways to Prove Triangles are Congruent. SSS Congruence Postulate SAS Congruence Postulate ASA Congruence Postulate AAS Congruence Theorem. NEW: Way to Prove Triangles are Congruent. H -L Congruence Theorem

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4.3 & 4.4 Proving Triangles are C ongruent

4.3 & 4.4 Proving Triangles are C ongruent

4.3 & 4.4 Proving Triangles are C ongruent. Side-Side-Side (SSS) Congruence Postulate:. If 3 sides of one triangle are congruent to 3 sides of another triangle, then the two triangles are congruent. Side-Angles-Side (SAS) Congruence Postulate.

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4.6 Isosceles, Equilateral, and Right Triangles

4.6 Isosceles, Equilateral, and Right Triangles

4.6 Isosceles, Equilateral, and Right Triangles . Standard 5.0 Goal: Use properties of isosceles, equilateral, and right triangles. Goal 1: Using Properties Of Isosceles Triangles.

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