Circumference
What is the circumference of a circle when the diameter is 2?
6.28
A straight line from the center to the circumference of a circle or sphere
radius
What is the area of a circle when the radius is 1?
3.14
What is the diameter when the radius is 12?
What is the radius of a circle when the diameter is 4?
2
What is the circumference of a circle when the radius is 3?
18.84
Name the line in a circle that cuts it in half.
Diameter
What is the area of a circle when the radius is 8?
200.96
What is the diameter when the radius is 9?
18
What is the radius of a circle when the diameter is 10.5?
5.25
What is the circumference of a circle when the diameter is 5?
15.7
The outside measurement of a circle. Or the distance around the outside of the circle
Circumference
What is the area of a circle when the diameter is 6?
28.26
What is the diameter when the circumference is 25.12?
8
What is the radius of a circle when the circumference is 43.96
7
What is the circumference of a circle when the radius is 7.5?
47.1
The measurement of the inside of a circle. Or how much the circle covers
Area
What is the area of a circle when the radius is 3.14?
30.959144
What is the diameter when the radius is 22.5?
45
What is the radius of a circle when the area is 12.56?
2
What is the circumference of a circle when the radius is 3.14?
19.7192
The line segment joining any two points on the circumference of the circle
Chord
What is the area of a circle when the diameter is 15?
176.625
What is the diameter when the circumference is 21.352?
6.8
What is the radius of a circle when the area is 254.34?
9