Home > MC2 > Chapter 5 > Lesson 5.3.1 > Problem 5-90
5-90.
Decide if these angles are acute, obtuse, or right angles. All diagrams are drawn to scale.
Acute angle: An angle with a measure between (but not including)
Right angle: An angle measuring
Obtuse angle: An angle with a measure between (but not including)
To determine the type of angle, use a
Since the angle is greater than
, it is obtuse.
Acute angle