Flashcards in Unit 4 Test Deck (12):
What are concentric circles?
Circles with the same centerpoint.
What is a chord
A line segment with both endpoints on the circle.
What is a diameter?
A chord going through the center of a circle.
What is a secant line?
A line intersecting a circle twice.
What is a tangent line?
A line intersecting a circle exactly once.
What is a central angle?
An angles who's vertex is at the center of the circle.
What is an inscribed angle?
An angle inside of a circle who's vertex is on the circle.
What is an arc?
Part of a circle.
What is a major arc?
An arc that is more than half of the circle.
What is a minor arc?
An arc the is less than half of a circle.
What is a semicircle?
Half of a circle.