Neurological Disorders Lesson 1.4 How do our brains interpret the environment?
Lesson 1.4
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Transcript of Lesson 1.4
![Page 1: Lesson 1.4](https://reader035.fdocuments.in/reader035/viewer/2022071807/56812d0a550346895d91dd8b/html5/thumbnails/1.jpg)
Lesson 1.4Measuring and
Classifying Angles
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Objective
• Name, measure, and classify angles
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Standard 1.0
• Students will demonstrate understanding by identifying and giving examples of undefined terms, axioms, theorems, and inductive and deductive reasoning
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Angle
• Consists of two different rays with the same endpoint.
![Page 5: Lesson 1.4](https://reader035.fdocuments.in/reader035/viewer/2022071807/56812d0a550346895d91dd8b/html5/thumbnails/5.jpg)
Vertex
• Endpoints of rays in a angle
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Angle A or A
The angle with sides AB and AC can also be named orBAC CAB
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Example
• Name 3 angles
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Degrees are the unit of measure for an angle
• Angles are measured in degrees because they are a portion of a circle.
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Classify Angles
Use a protractor to measure angles
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Angle Addition Postulate
• If P is in the interior of , then the measure of is equal to the sum of the measures of and
RSTRSTRSP PST
RSTPSTRSP
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Example Problem
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Indy Practice
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Congruent Angles
• Angles with the same measure
A B
BA
BA
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Angle Bisector
• A ray that divides an angle into two angles that are congruent
![Page 15: Lesson 1.4](https://reader035.fdocuments.in/reader035/viewer/2022071807/56812d0a550346895d91dd8b/html5/thumbnails/15.jpg)
Example
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Practice