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Geometry
Flow Proofs
Flow proofs in geometry are a visual method for organizing logical steps in geometric proofs. They use arrows to connect statements and reasons, showing the progression of the proof.
2/1/2023
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This page expands on the concept of flow proofs in geometry by presenting a more complex example involving linear pairs and angle relationships.
The example proves that angle JIK is a right angle given that L5 and L6 are a linear pair.
Definition: A linear pair consists of two adjacent angles that form a straight line, always summing to 180°.
The flow proof demonstrates several key geometric concepts:
Highlight: The given information in a flow proof can be presented in different locations within the proof, providing flexibility in organization.
Example: The proof uses the definition of a linear pair to establish that m∠5 + m∠6 = 180°, then progresses through several logical steps to conclude that ∠JIK is a right angle.
This example showcases how flow proofs in geometry can handle more complex relationships and multiple geometric concepts within a single proof structure.
Vocabulary: "Supplementary angles" are two angles whose measures sum to 180°, while "complementary angles" sum to 90°.
The page emphasizes the importance of clear reasoning and logical progression in constructing effective flow proofs for geometric arguments.
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Flow proofs in geometry are a visual method for organizing logical steps in geometric proofs. They use arrows to connect statements and reasons, showing the progression of the proof.
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This page expands on the concept of flow proofs in geometry by presenting a more complex example involving linear pairs and angle relationships.
The example proves that angle JIK is a right angle given that L5 and L6 are a linear pair.
Definition: A linear pair consists of two adjacent angles that form a straight line, always summing to 180°.
The flow proof demonstrates several key geometric concepts:
Highlight: The given information in a flow proof can be presented in different locations within the proof, providing flexibility in organization.
Example: The proof uses the definition of a linear pair to establish that m∠5 + m∠6 = 180°, then progresses through several logical steps to conclude that ∠JIK is a right angle.
This example showcases how flow proofs in geometry can handle more complex relationships and multiple geometric concepts within a single proof structure.
Vocabulary: "Supplementary angles" are two angles whose measures sum to 180°, while "complementary angles" sum to 90°.
The page emphasizes the importance of clear reasoning and logical progression in constructing effective flow proofs for geometric arguments.
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Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
This page introduces the concept of flow proofs in geometry, providing a visual alternative to traditional two-column proofs. Flow proofs use arrows to connect statements, illustrating the logical progression of a geometric argument.
Definition: A flow proof in geometry is a method of organizing statements connected by arrows to show the flow of logical reasoning, with reasons provided underneath each statement.
The page presents an example of a flow proof, demonstrating how to prove that y = 55 given that x + y = 60 and x = 5.
Example: In the flow proof example, the given information (x + y = 60 and x = 5) is used as a starting point. The proof then progresses through substitution and subtraction to reach the conclusion that y = 55.
Highlight: The layout of a flow proof can be flexible. As long as the statements are in the correct logical order, the shape of the flow can vary.
The page also touches on the concept of equality in geometric proofs, using an example involving m² = 90.
Vocabulary: "Given" refers to the initial information provided in a geometric proof, which serves as the starting point for logical reasoning.
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