Respuesta :
Answer:
An obtuse angle is an angle greater than 90° but less than 180°
An obtuse angle is a type of angle whose degree measurement is more than 90° but less than 180°. Examples of obtuse angles are: 100°, 120°, 140°, 160°, 170°, etc. ∠ PQR is an obtuse angle because it's less than 180° and greater than 90°.