Partial Circles
Circumference
Area
Circumference/Area Irregular Shapes
100
Find the area:
A=25.12 cm2
100
What is the circumerence of a circle with the diameter of 2?
6.28
100
Find Area when Radius = 4
50.27
100
What is the perimeter?
10.28 inches
200
Find the perimeter:
P=41.12 cm
200
What is the circumference of a circle with a diameter of 4?
12.57
200
Find Area when Radius = 14
615.75
200
What is the area?
7.14 inches squared
300
Find the area:
A=2461.76 cm2
300
What is the circumference of a circle with a diameter of 22?
69.12
300
What is the area of a circle with a diamater of 6?
28.27
300
What is the perimeter of the whole shape?
55.7 inches
400
Find the perimeter:
P=199.92 cm
400
Find Circumference when Radius - 10
62.83
400
What is the area of a circle with a diameter of 10?
78.54
400
What is the area of the whole shape?
Rectangle: 150
Circle: 39.25
Total: 189.25 square inches
500
Find the area the dog has to play and how much fencing you would need in order to keep the same area but keep the dog off-leash:
A = 942 ft2
P = 94.2 ft (would not need to add the straight parts because the fence would meet up wit the house)
500
If the circumference is 157, what is the radius?
Radius = 25
500
What is the area of a circle with a diameter of 20?
314.16
500
What are the perimeter and the area?
Perimeter 51.98 cm
Area: 132.93 cm2