- identify and classify right angles.

Let's begin by reviewing three types of angles:

- Angle 1 is an acute angle.
- Angle 2 is a right angle.
- Angle 3 is an obtuse angle.

**Which angle looks like the letter L?**

You've got it...the right angle.

When you look at the letter L, you see a **RIGHT ANGLE**, or an angle
with a measure of 90 degrees.

Use this mini-movie on your SMARTBoard

The letter T also has right angles. Take a look at it below and see if you can find the angles. When you have it figured out, click the play button to see where they are.

Angles on Your Interactive Whiteboard

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