Answer:
Examples of obtuse angles are: 100°, 120°, 140°, 160°, 170° etc. ∠ PQR is an obtuse angle because its less than 180° and greater than 90°. Reflex angles are the types of angles whose degree measurement is more than 180° but less than 360°. Common examples of reflex angles are; 200°, 220°, 250°, 300°, 350° etc.
