Circles Flashcards
1
Q
What is a circle?
A
Definition: A circle is a plane figure by one line.
2
Q
What is the center of a circle?
A
Definition: A point in the middle of a circle where every line that runs through it is equal.
3
Q
What is the arc?
A
Definition: Part of the way on the outside of the circle.
4
Q
What is the radius?
A
Definition: Line segment whose endpoints are the center of the circle and a part of the outside.
5
Q
What is a chord?
A
Definition: Line segment whose endpoints are two outer points on a circle.
6
Q
What is a diameter?
A
Definition: The measure of a straight line along the center of the circle.
7
Q
What is a center angle?
A
Definition: An angle formed by two radii.
8
Q
What is a sector?
A
Definition: The part of a circle enclosed by two radii.
