Circle Terminology
- Author:
- Tim Brzezinski
There are many vocabulary terms we use when talking about a circle.
The following app was designed to help you clearly see and interact with each term.
Explore this app for a few minutes. Then answer the questions that follow.
Note: LARGE POINTS are moveable.
How would you describe or define a CIRCLE as a locus (set of points that meets specified criteria)?
How would you describe the term RADIUS without using the words "half" or "diameter" in your description?
What does the term CHORD mean here in the context of a circle?
How would you describe the term DIAMETER without using the words "two", "double", or "diameter" in your description?
How would you describe/define the term SECANT?
What does it mean for a line to be TANGENT to a circle?