Vocabulary
A segment with its endpoints on the circle that passes through the center.
Diameter
The diameter of this circle is 8 cm.
4 cm
The radius of this circle is 5 cm.
10 cm
The diameter for this circle is 10 inches.
31.4 inches
The number of degrees in a circle.
A line segment from the center of the circle to any point on the circle. It is also half of the diameter.
Radius
The diameter of this circle is 12 m.
The radius of this circle is 2.5 inches.
5 inches
The diameter for this circle is 13 meters.
40.82 meters
The number of lines of symmetry a circle has.
Infinitely many.
The length around a circle.
Circumference
The diameter of this circle is 27 cm.
13.5 cm
The circumference of this circle is 15.7 inches.
5 inches.
The diameter of this circle is 25 yards.
78.5 yards
The distance from the center to any point on the circle is always ___________.
The same.
3.14 or 22/7
Pi
The diameter of this circle is 406 inches.
203 inches
The circumference of this circle is 18.84 meters.
6 meters
The radius for this circle is 45 cm.
282.6 cm
Circles do not have __________ or ____________.
Edges or vertices.
When we divide the circumference by the diameter the result is...
Pi
The diameter of this circle is 39 meters.
19.5 meters
The circumference of this circle is 194.68 inches.
62 inches
The radius for this circle is 8 mm.
50.24 mm
If d represents diameter, and r represents radius, we know that d= _________.
d=2r