Radius/Diameter
Circumference - Radius
Area - Radius
Circumference - Diameter
Level 3 & 4
100
If the radius is 5 what is the DIAMETER?
10
100
Find circumference: When radius = 5
31.42
100
Find Area when Radius = 4
50.27
100
What is the circumerence of a circle with the diameter of 2?
6.28
100
What is the perimeter?
40.56
200
If the diameter is 20 what is the RADIUS?
10
200
A circular median in the road has a radius of 3.4 meters. What is the circumference of the fountain?
What is 21.352?
200
Find Area when Radius = 14
615.75
200
What is the circumference of a circle with a diameter of 4?
12.57
200
What is the area of this shape?
73.12
300
If the radius is 30 the DIAMETER is?
60
300
Find Circumference when Radius = 25
157.08
300
If the radius of a tire is 8 inches and the circumference of a tire was about 54 inches. Use this information to find an approximate value for pi.
What is pi = circumference/diameter
Circumference=54
Diameter=16
54/16= 3.375
300
What is the circumference of a circle with a diameter of 14?
43.98
300
What is the perimeter?
3.57 inches
400
If the radius is 20 what is the DIAMETER?
40
400
Find Circumference when Radius = 50
314.16
400
Find Area when Radius = 35
3,848.45
400
What is the circumference of a circle with a diameter of 22?
69.12
400
What is the perimeter?
30.84
500
If the Radius is 50 what is the DIAMETER?
100
500
Find Circumference when Radius = 75
471.24
500
What are 3 approximates for pi?
What is:
22/7
circumference/diameter
3.14
500
What is the circumference of a circle with a diameter of 100?
314.16
500
A groundskeeper needs grass seed to cover a circular field, 290 feet in diameter.
A store sells 50-pound bags of grass seed. One pound of grass seed covers about 400
square feet of field.
What is the smallest number of bags the groundskeeper must buy to cover the circular field
4 bags