Circle Terms
The ______________ of a circle is the distance from the center of the circle to the outside edge.
radius
The diameter of this circle is 4
Radius = 2
The radius of this circle is 6.
Diameter = 12
The diameter for this circle is 10.
Circumference = 31.4
The radius of this circle is 2.
Area = 12.56
The ____________________ of a circle is longest distance across a circle that cuts through the center of the circle.
diameter
The diameter of this circle is 16.
Radius = 8
The radius of this circle is 12.
Diameter = 24
The diameter for this circle is 13.
Circumference = 40.82
The radius of this circle is 10.
Area = 314
The __________________ is the distance around the circle.
circumference
The diameter of this circle is 28.
Radius = 14
The radius of this circle is 35.
Diameter = 70
The diameter for this circle is 25.
Circumference = 78.5
The radius of this circle is 18.
Area = 1,017.36
______ is the ratio of the circumference to the diameter of a circle.
Pi
The diameter of this circle is 56.
Radius = 28
The radius of this circle is 45.
Diameter = 90
The diameter for this circle is 45.
Circumference = 141.3
The radius of this circle 28.
Area = 2,461.76
________ is the number of square units that will cover a circle.
Area
The diameter of this circle is 84.
Radius = 42
The radius of this circle is 52.
Diameter = 104
The diameter for this circle is 80.
Circumference = 251.2
The radius of this circle is 42.
Area = 5,538.96