GeometryBASIC CONCEPTS OF GEOMETRYFigure 2 - 360o AngleDepending on the rotation of a ray, an angle can be classified as right, straight, acute, obtuse, orreflex. These angles are defined as follows:Right Angle - angle with a ray separated by 90°.Figure 3 Right AngleStraight Angle - angle with a ray separated by 180° to form a straight line.Figure 4 Straight AngleRev. 0 Page 3 MA-03
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