This document defines and describes different types of angles: a right angle is 90 degrees, an acute angle is less than 90 degrees, and an obtuse angle is more than 90 degrees. It also states that a straight line has 180 degrees and a full circle has 360 degrees.

1. Whole Brain Teaching
“Angles in General”
By:
Tathmainul Qulub 110210101068
Department of Mathematics Education
Faculty of Teacher and Training Education
University of Jember

2. I. Right Angle
has 90o

3. II. Acute Angle
the angle less than 90o

4. III. Obtuse Angle
the angle more than
90o

5. IV. Straight Line
has 180o

6. V. Circle
has 360o

7. THANK YOU !!
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