Radius
Diameter
Circumference
Area
Challenge
100
If the diameter of a circle is 1200 inches, what is the radius?
600 inches
100
If the radius of a circle is 90 centimeters, what is the diameter?
180 centimeters
100
If the diameter of a circle is 10 inches, what is the circumference?
31.4 inches
100
If the radius of a circle is 3 inches, what is the area?
28.26 square inches
100
14 degrees + 54 degrees =
68 degrees
200
If the diameter of a circle is 50.50 centimeters, what is the radius?
25.25 centimeters
200
If the radius of a circle is 17.6 inches, what is the diameter?
35.2 inches
200
If the diameter of a circle is 5 centimeters, what is the circumference?
15.7 centimeters
200
If the radius of a circle is 10 centimeters, what is the area?
314 square centimeters
200
what kind of angle is this?
adjacent angle
300
If the diameter of a circle is 86.4 meters, what is the radius?
43.2 meters
300
If the radius of a circle is 5800 inches, what is the diameter?
11600 inches
300
If the radius of a circle is 2 yards, what is the circumference?
12.56 yards
300
If the diameter of a circle is 12 meters, what is the area?
113.04 square meters
300
what kind of angle is this?
supplementary angle
400
If the diameter of a circle is 188 2/4 inches, what is the radius?
94 1/4 inches
400
If the radius of a circle is 85.5 yards, what is the diameter?
171 yards
400
If the diameter of a circle is 16 meters, what is the circumference?
50.24 meters
400
If the radius of a circle is 12 feet, what is the area?
452.16 square feet
400
90 degrees + _____ = 180 degrees
90 degrees
500
If the diameter of a circle is 213 centimeters, what is the radius?
106.5 centimeters
500
If the radius of a circle is 68.250 inches, what is the diameter?
136.5 inches
500
If the radius of a circle is 15 millimeters, what is the circumference?
94.2 millimeters
500
If the diameter of a circle is 26 yards, what is the area?
530.66 square yards
500
What is pi?
The ratio of the circumference of a circle to its diameter.