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Radius
Diameter
Circumference
Area
Vocabulary
100
How do you convert diameter to radius
What is 1/2 d or divide by 2
100
How do you convert radius to diameter
What is 2R or radius times 2
100
What is the formula for circumference
What is Pi times diameter
100
What is the formula for area
What is Pi times radius squared
100
The distance from the center of a circle to any point on a circle
What is radius
200
d = 6 inches
What is 3 inches
200
r = 7m
What is 14m
200
R = 2ft
What is 12.56 ft
200
d = 4 ft
What is 12.56 ft squared
200
The distance around a circle
What is circumference
300
d = 17 m
What is 8.5 m
300
r = 16"
What is 32"
300
d = 8 ft
What is 25.12 ft
300
r = 6ft
What is 113.04 ft squared
300
The distance from one point on a circle to another point on a circle
What is chord
400
Area = 28.26 ft
What is 3 ft
400
Area = 28.26 ft
What is 6ft
400
r = 9 cm
What is 56.52 cm
400
r = 13 m
What is 530.66 m squared
400
The distance from one point on a circle to another point on a circle going through the center of the circle
What is diameter
500
C = 50.24 km
What is 8 km
500
C = 200.96 km
What is 16 km
500
d = 7.5 in
What is 23.55 in
500
d = 17 mm
What is 226.865 mm squared
500
3.14
What is Pi