Free Printable Circle

1.

Name the circle.

a)

Circle A

b)

Circle B

c)

Circle C

d)

Circle D

2.

Name the Diameter .

a)

Line AC

b)

Line BC

c)

Line DC

d)

Line AD

3.

Click on any line that is a radius.

a)

Line AC

b)

Line CB

c)

Line CD

d)

Line AD

4.

The distance all the way around the circle is called the...

a)

radius

b)

diameter

c)

circumference

d)

area

5.

If you multiply 2 × r then you will get the...

a)

radius

b)

diameter

c)

circumference

d)

area

6.

$\frac{d}{2}$ is the equations for ...

a)

radius

b)

diameter

c)

circumference

d)

area

7.

$\pi r^2$ is the equations for ...

a)

radius

b)

diameter

c)

circumference

d)

area

8.

$\pi\cdot d$ is the equations for ...

a)

radius

b)

diameter

c)

circumference

d)

area

9.

How many diameters of a circle does it take to wrap around a circle? (click all that apply)

a)

$\pi$

b)

Approximately 3.14

c)

Once

d)

Changes depending on how big the circle is.

10.

What is the diameter?

a)

8

b)

16

c)

10

d)

4

11.

What is the circumference?

a)

48

b)

96

c)

24

d)

18

12.

What is the diameter of this circle? (a) cm

13.

What is the circumference of this circle? (a) cm

*use 3.14 for pi

14.

What is the area of this circle? (a) $cm^2$

*use 3.14 for pi

15.

The area of this shape is (a) $ft^2$ Use 3.14 for $\pi$

16.

Explain how you can to find the AREA of a circle if you know the equation for parallelograms.

4 lines

Circle

Total questions: 16

Worksheet time: 16mins

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