Explain if it is correct or not. 4. An angle whose measure is exactly 180° is called a semi-circle angle. 1. In Trigonometry, an angle is neither positive nor negative with refard to direction and measure.

Explain if it is correct or not. 4. An angle whose measure is exactly 180° is called a semi-circle angle. 1. In Trigonometry, an angle is neither positive nor negative with refard to direction and measure.

Elementary Geometry for College Students

6th Edition

ISBN:9781285195698

Author:Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:Daniel C. Alexander, Geralyn M. Koeberlein

Chapter1: Line And Angle Relationships

Section1.2: Informal Geometry And Measurement

Problem 19E

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Explain if it is correct or not.

4. An angle whose measure is exactly 180° is called a semi-circle angle.

1. In Trigonometry, an angle is neither positive nor negative with refard to direction and measure.

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