Name three types of angles!
Angles are measured in degrees and can range from 0 to 360. There are three main types of angles: acute, right, and obtuse. A fourth type of angle, the straight angle, is equal to 180 degrees.
Types of Angles
Acute Angle: An angle that measures less than 90 degrees. Right Angle: An angle that measures exactly 90 degrees. Obtuse Angle: An angle that measures more than 90 degrees but less than 180 degrees.
Which type of angle is the most interesting to learn about?
- Acute angles
- Right angles
- Obtuse angles
- Straight angles
The symbol for an angle is the Greek letter theta. In a triangle, the sum of all three interior angles is always 180°. The largest angle in any triangle is opposite the longest side.
Draw / write: What is the difference between an acute angle and an obtuse angle?
Draw / write: How are right angles used in everyday life?
What angle do you think is the most interesting and why?
Think of a real-world example of an angle. How could you measure it?