Vocabulary
Circumference
Area and Circumference
Area
Irregular Shapes
100
Name a shape that has no edges.
Circle
100
What is the circumference of a circle if:
the radius = 7 yds?
43.96 or 14π yds
100
What is the circumference of a circle if:
the Diameter = 4 in
12.56 or 4π in
100
What is the area of a circle if:
the Radius = 6 in
36π or 113.04 in2
100
Find the Perimeter of the irregular shape.
12 cm
200
Name the line in a circle that cuts it in half from one side to the other.
Diameter
200
What is the circumference of a circle if:
the radius = 9 yds?
56.52 or 18π yds
200
What is the circumference of a circle if:
the Diameter = 10 in
31.40 or 10π in
200
What is the area of a circle if:
the Radius = 3 ft
9π or 28.26 ft2
200
Find the area of the irregular shape
5cm2
300
The line that goes from the center to the edge of the circle.
Radius
300
What is the circumference of a circle if:
the radius = 8.4 yds?
52.75 or 16.8π yds
300
What is the area of a circle if:
the Radius = 14 in
615.44 or 196π in2
300
What is the area of a circle if:
the Diameter = 12 feet?
36π or 113.04 ft2
300
Find the AREA of the shape.
16 + 6.28 = 22.28
400
The outside measurement of a circle.
Circumference
400
What is the circumference of a circle if:
the radius = 7.4 yds?
46.47 or 14.8π yds
400
What is the Area of a circle if:
the Diameter = 14 in
153.86 or 49π in2
400
What is the area of a circle if:
the diameter = 8 in
16π or 50.24 in2
400
Find the PERIMETER of the shape. 
105+105+213.52 = 423.52
500
The measurement of the inside of a circle
Area
500
The circular fountain in front of the courthouse has a radius of 9.4 feet. What is the circumference of the fountain? Round to the nearest tenth.
What is 59 ft?
500
What is the circumference AND area of a circle if:
the Diameter = 10 in.
Circumference: 10pi or 31.4 in
Area: 25pi or 78.5 in2
500
What is the area of a circle if:
the diameter = 9 yd
20.25π or 63.56 yd2
500
Find the PERIMETER of the shape. 
8 + 12 + 8 + 1.27 +12.56 = 41.83 units