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.