Classify Angles Section 71 Vocabulary An angle is formed by two that share a common The is the point where the two rays meet Notes Name and Identify Angles Two angles are if they are opposite angles formed by the intersection of wo lines ID: 774316
Download Presentation The PPT/PDF document "Classify Angles Section 7.1" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Classify Angles Section 7.1
Vocabulary An angle is formed by two __________ that share a common ____________. The ____________ is the point where the two rays meet.
Notes: Name and Identify Angles Two angles are ___________ if they are opposite angles formed by the intersection of wo lines. Vertical angles are ___________ or have the same measure. Two angles are ______________ if they share a common vertex, a common side, and do not overlap. You can name an angle by its vertex and its points.
Notes: Key Concept
Example Name each angle in four ways. Then classify each angle as acute, right, obtuse, or straight.
Example Name each angle in four ways. Then classify each angle as acute, right, obtuse, or straight.
Example Name each angle in four ways. Then classify each angle as acute, right, obtuse, or straight.
Notes: Find a Missing Measure You can use what you learned about vertical and adjacent angles to find the value of a missing measure.
Example What is the value of x in the figure?
Example What is the value of y?
Critical Thinking Identify a pair of vertical angles and adjacent angles on the railroad crossing sign. Justify your response.
Essential Question Describe the differences between vertical and adjacent angles. _______________________________________________________________________________________________________________________________________________________________________________________________________________________