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Circles and more circles!

Total questions: 20

Worksheet time: 23mins

Name
Class
Date
1.

The distance around a circle is

a)

Circumference

b)

Radius

c)

Center

d)

Central Angle

2.

The distance across the circle, through its center

a)

Radius

b)

Radii

c)

Circumferene

d)

Diameter

3.

The distance from a circle to its center

a)

Chord

b)

Central angle

c)

circumference

d)

radius

4.

The distance from a circle to its center

a)

Chord

b)

Central angle

c)

circumference

d)

radius

5.

Who is the most important person in your world of circles?

a)

Me

b)

My teacher

6.

Who is someone you trust more?

a)

A child

b)

Your teacher

7.

Who belongs in your Blue Big Hug Circle? (Pick two)

a)

Parents

b)

Sweetheart

c)

Teachers

8.
The diameter is two times the radius
a)
True
b)
False
9.

The definition of diameter is

a)

distance from the center of any point on the circle

b)

distance across the circle through the center

c)

distance from one point to another

d)

distance around the circle

10.

what is the formula for finding area of a circle

a)

C = π r2

b)

A = π r2

c)

A = π r2 / 2

d)

C = 2 π r

11.
find the area of the circle below.
a)
100 cm
b)
225 cm
c)
9 cm
d)
28.26 cm
12.
Find the area of the circle
a)
8π
b)
9π
c)
71π
d)
81π
13.
what is the circumference of this circle ?
a)
3.14 cm 
b)
37.68 cm
c)
24 cm
d)
68.4 cm
14.
Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the cookie’s 
circumference?
a)
10 in
b)
2.5 in
c)
15.7 in
d)
31.4 in 
15.
If the circumference of a circle is 22 π ft, what is the radius?
a)
22 ft
b)
11ft
c)
π ft
d)
no ft
16.
If the area of a circle is 25 π in² , then the diameter is?
a)
10 in
b)
5 in
c)
25 in
d)
pi in
17.

Find the radius of the circle

a)

20 ft

b)

10 ft

c)

5.5 ft

d)

10

18.

find the diameter of the circle

a)

14 m

b)

7 m

c)

14

d)

3.5 m

19.

find the radius of the circle

a)

3 m

b)

1.5 m

c)

1.5

d)

1.5 mm

20.

find the diameter of the circle

a)

1 ft

b)

4 ft

c)

4 mm

d)

2 ft