Circles Flashcards
0
Q
Diameter
A
A chord that goes through the center of the circle
1
Q
Radius
A
A line segment that goes from the center of the circle to the edge of the circle
2
Q
Circumference
A
The perimeter of the circle
3
Q
Formula for Circumference
A
D x π
4
Q
Formula for Area of Circle
A
π x r2
5
Q
π
A
3.1415926535879732
An irrational number used for finding the area and circumference of a circle