Let's begin by reviewing three types of angles:
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.
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