Circle Vocab
Finding Radius
Finding Diameter
Finding Circumference
Finding Area
100
3.14
What is pi?
100
The Diameter of this circle is 5
What is 2.5
100
The radius of this is 5
What is 10
100
The diameter for this circle is 10
What is 31.4
100
The radius of this circle is 2
What is 12.56
200
The distance from the center of a circle to the outside, also half of the diameter
What is radius
200
The diameter is 12
What is 6
200
The radius of this circle is 2.5
What is 5
200
What is the circumference of this circle?
314.16cm
200
The radius of this circle is 3
What is 28.26
300
A line through the circle.
What is a chord?
300
The diameter of this circle is 27
What is 13.5
300
What is the diameter of this circle?
100cm
300
What is the perimeter of this shape?
Diameter=12cm
30.85cm
300
What is the area of this shape? radius=5cm
39.27cm2
400
The longest chord in a circle
What is the Diameter
400
The diameter of this circle is 437
What is 218.5?
400
The circumference of this circle is 15.7
What is 5
400
What is the perimeter of this shape?
28.57cm
400
What is the area of this shape?
50.27cm2
500
A section of a circle that is framed by two radii (like a slice of pie).
Sector
500
The diameter of this circle is 0.325
What is 0.1625
500
The circumference of this circle is 18.84
What is 6
500
What is the perimeter of this shape?
20.14cm
500
What is the area of this shape?
21.21cm2