Properties of Circles Flashcards
1
Q
What is a radius?
A
a line that goes from the edge of a circle to its center
2
Q
What is a chord?
A
a line segment that goes edge to edge
3
Q
What is a secant?
A
a line that is partially in the circle, and partially out
4
Q
What is a diameter?
A
a line that goes through the centerpoint and hits both edges of the circle
5
Q
What is a tangent?
A
a line that “touches” the circle (outside)
6
Q
What is a minor arc?
A
an arc that is less than 180˚
7
Q
What is a major arc?
A
An arc that is more than 180˚
8
Q
What is a semi-circle?
A
an arc that is exactly 180˚
9
Q
A
76˚
10
Q
A
60˚
11
Q
A
120˚
12
Q
A
6