Lesson 10-1 Pages 413-415 Angles.

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Presentation transcript:

Lesson 10-1 Pages 413-415 Angles

How to classify and draw angles. What you will learn! How to classify and draw angles.

Angle Right angle Degrees Obtuse angle Vertex Straight angle Vocabulary Angle Right angle Degrees Obtuse angle Vertex Straight angle Acute angle

What you really need to know! An angle is formed by two rays with a common endpoint. The endpoint is called the vertex of the angle. Angles can be named by using a number, using the vertex, or using the vertex and a point from each side.

What you really need to know! For example, the angle below could be named 2, F, or EFG. Angles are measured in degrees, where 1 degree is one of 360 equal parts of a circle.

What you really need to know! Angles are classified according to their measure.

What you really need to know! Angles are classified according to their measure.

Page 414 Guided Practice #’s 3-8

Homework: Page 415 #’s 9-22 all #’s 24-33 all

Page 587 Lesson 10-1