The distance from the center of a circle to any point on the circle
radius
100
Diameter = 100 ft.
What is the radius?
50 feet
100
Diameter= 12 cm
What is the circumference?
37.68 cm
100
radius = 6 yards
What is the area?
113.04 square yards
100
What is the number for pi?
3.14
200
The distance from one point on a circle to the other side of the circle, going through the center?
Diameter
200
Radius = 30 ft.
What is the diameter?
60 ft.
200
Diameter = 16 km
What is the circumference?
50.24 km
200
radius = 7 miles
What is the area?
153.86 square miles
200
What dessert do math teachers eat at Thanksgiving?
Pumpkin pi
300
the distance around a circle
circumference
300
John has a round swimming pool. The distance from the center of the pool to the edge is 3 meters. what is the diameter of John's pool?
6 meters
300
Radius = 11 m
What is the circumference?
69.08
300
Diameter = 8 cm.
What is the area?
50.24 square cm.
300
What dessert do math teachers eat at night?
Moon pi
400
What is the formula for finding the circumference of a circle?
pi x diameter
400
John has a round swimming pool. The distance across the pool, through the center, is 12 meters. What is the radius of the pool?
6 meters
400
Radius = 7 cm
What is the circumference?
43.96 cm.
400
Diameter = 20 ft.
What is the area?
314 square feet
400
What kind of snake sleeps in a circle?
a pi- thon (python)
500
What is the formula for finding the area of a circle?
pi x radius squared
500
You want to paint a 5 inch border around a circular picture frame. The diameter of the frame was 15 inches. What is the new diameter of the frame, including the border?
25 inches
500
The radius of a hula hoop is about 17 inches.
What is the circumference?
106.76 inches
500
The diameter of a hula hoop is about 34 inches.
What is the area?
907.46 sq. inches
500
If the diameter is "cherry", what's the circumference?
(hint: what is the formula for circumference?)