6.1.1 Finding the Quadrant in Which an Angle Lies Flashcards
1
Q
angels
A
- Acute angles measure between 0° and 90°.
- Obtuse angles measure between 90° and 180°.
- Angles that measure exactly 90° are right angles.
- Angles that measure exactly 180° are straight angles.
- Coterminal angles are angles whose initial sides and terminal sides are the same.