'Triangle proportionally' diaporamas de présentation

Bellwork

Clickers. Bellwork.

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Use Proportionality Themes

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7.5

7.5. ESSENTIAL QUESTION: How do you use the Triangle Proportionality Theorem and its C onverse in solving missing parts?. Theorem 7.4 Triangle Proportionality Theorem.

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Warm-Up 1

Warm-Up 1. In the diagram, DE is parallel to AC . Name a pair of similar triangles and explain why they are similar. DBE ~ ABC AA (corresponding angles are congruent when parallel lines are cut by a transversal). Warm-Up 2.

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7-4 Parallel Lines and Proportional Parts

7-4 Parallel Lines and Proportional Parts. Geometry. Use proportional parts with triangles. Use proportional parts with parallel lines. Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures.

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GEOMETRY: Chapter 8

GEOMETRY: Chapter 8. 8.6: Proportions and Similar Triangles. Theorem 8.4. Triangle Proportionality Theorem If a line parallel to one side of a triangle intersects the other two sides, then it divides the two side proportionally.

384 views • 14 slides

Chapter 6.6 Notes: Use Proportionality Theorems

Chapter 6.6 Notes: Use Proportionality Theorems. Goal: You will use proportions with a triangle or parallel lines. Theorem 6.4 Triangle Proportionality Theorem : If a line parallel to one side of a triangle intersects the other two sides, then it divides the two sides proportionally.

286 views • 10 slides

Proofs using Similar Triangles

Proofs using Similar Triangles. Information. Triangle proportionality theorem. Triangle proportionality theorem and converse: A line is parallel to the side of a triangle and intersects the two other sides if and only if it divides the sides proportionally.

128 views • 7 slides

Proofs using Similar Triangles

Proofs using Similar Triangles. Information. Triangle proportionality theorem. Triangle proportionality theorem and converse: A line is parallel to the side of a triangle and intersects the two other sides if and only if it divides the sides proportionally.

208 views • 6 slides