Vocab
in math, the ratio of a circle's circumference to its diameter, which is approximately 3.1416.
Pi
If the diameter is 6 cm, what is the radius?
3 cm
Radius is 7 mm , what is the diameter?
14 mm
Radius = 1 cm
What is the circumference?
6.28 cm
Diameter = 2 in, what is the circumference?
6.28 in
in a circle, the distance or a line across from one side to another through the center point.
Diameter
If the diameter is 18 yd, what is the radius?
9 yd
Radius is 12 cm, what is the diameter?
24 cm
Radius = 2 ft, what is the circumference?
12.56 ft
Diameter = 5 cm, what is the circumference?
15.7 cm
in a circle, the distance from center to edge or a line from center to edge.
Radius
Diameter = 30 ft , what is the radius?
15 ft
Radius = 17 yd , what is the diameter?
34 yd
Radius = 4 yd, what is the circumference?
25.12 yd
Diameter = 6 mm, what is the circumference?
18.84 mm
the number of square units that covers a flat surface
Area
Diameter = 15 mm what is the radius?
7.5 mm
Radius = 75 in, what is the diameter?
150 in
Radius = 8 in, what is the circumference?
50.24 in
Diameter = 7 ft, what is the circumference?
21.98 ft
the distance around the edge of a circle.
Circumference
Diameter = 25 in what is the radius?
12.5 in
Radius = 40.5 ft, what is the diameter?
81 ft
Radius = 9 mm, what is the diameter?
56.52 mm
Diameter = 9 yd, what is the circumference?
28.26 yd