1. What must be true about a circle with a circumference of 16 π?
the radius is 16
the diameter is 16
the diameter is π
the radius is π
QUESTION 2
1. If the radius of circle P is 4, then the
diameter is 4.
circumference is 4 π.
diameter is 8.
circumference is 16 π.
QUESTION 3
1. π is
equal to 5.26.
always equal to the radius of a circle.
twice the diameter of a circle.
a circle's circumference divided by its diameter.
1. If a circle has a center of R and a point on the circle labeled T, then RT is
the diameter.
a chord.
the radius.
twice the diameter.
1. Find the circumference of a circle with a diameter of 3. Use π = 3.14.
9.42
18.84
3.14
1.05
QUESTION 6
1. If the circumference of circle A is 16 π, then the length of a chord in circle A is
twice the diameter.
twice the circumference.
equal to the circumference.
16 inches or less.
QUESTION 7
1. If a circle has a circumference of 10 π, then the ratio of the circle's circumference to its diameter is
π.
10.
10 π.
2 π.
QUESTION 8
1. If the radius of a circle is 3.14, then the circumference equals
3.14 π
2 (3.14) π
(3.14) (3.14) π
π.
QUESTION 9
1. If the circumference of a circle is 16 π, then the radius of the circle equals
8
16
π
4
QUESTION 10
1. A circle is to the circumference as a square is to the
area.
perimeter.
volume.
diameter.