# Endpoints of a diameter

- Author:
- Chrissy, Tim Brzezinski

- Topic:
- Angles

Interact with the applet below for a few minutes. Then answer the questions that follow.

What type of arc is the red arc?

Describe what you see in your own words. Write your observation(s) as a conditional (if-then) statement.
Be sure to use the terms *intercept(s)* and ** semicircle** in your description.