1.
What is the circumference of a circle with radius 2.1 cm? Use >
3.14.
A.
13.188 cm
B.
8.724 cm
C.
12.69 cm
D.
6.594 cm
Hint
2.
Find the circumference of the circle shown. Round to the nearest tenth.
A.
961.6 cm
B.
110.0 cm
C.
55.0 cm
D.
3,846.5 cm
Hint
3.
The diameter of a circle is 9 feet. What is the measure of its circumference? Round to the nearest tenth.
A.
4.5 ft
B.
14.1 ft
C.
28.3 ft
D.
63.6 ft
Hint
4.
Which statement is true for any circle if
C
= circumference,
d
= diameter, and
r
= radius?
A.
B.
C.
D.
Hint
5.
Which statement is true for any circle if
C
= circumference,
d
= diameter, and
r
= radius?
A.
=
Cd
B.
= 2
d
C.
D.
Hint