Free Printable circle intro

1.

Name a radius.

a)

AF

b)

CD

c)

HJ

d)

DG

2.

Name the diameter.

a)

BD

b)

AF

c)

BJ

d)

HF

3.

Name a tangent.

a)

BD

b)

AF

c)

BJ

d)

HF

4.

Name a secant.

a)

BD

b)

DG

c)

HF

d)

AF

5.

Point H is the...

a)

Center of the circle

b)

Radius

c)

Point of tangency

d)

None of these

6.

Name the circle.

a)

C

b)

F

c)

A

d)

G

7.

A major arc is named with 3 letters.

a)

True

b)

False

8.

A minor arc measures more than 180 degrees.

a)

True

b)

False

9.

a)

A

b)

B

c)

C

d)

D

10.

a)

A

b)

B

c)

C

d)

D

11.

Solve for the missing angle.

a)

45^o

b)

90^o

c)

22.5^o

d)

128^o

12.

The distance across the circle through the center is called the...

a)

radius

b)

diameter

c)

circumference

d)

area

13.

The perimeter of a circle is usually called the...

a)

radius

b)

diameter

c)

circumference

d)

area

14.

The space contained inside of a circle is called the...

a)

radius

b)

diameter

c)

circumference

d)

area

15.

If a circle has a radius of 10 ft. then which statement is true?

a)

The radius is 5 ft.

b)

The diameter is 5 ft

c)

The radius is 20 ft.

d)

The diameter is 20 ft.

16.

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

a)

c = 15π

b)

C = 2π15

c)

c = 15 ÷ π

d)

c = 15 π

17.

If you multiply π × d then you will get the...

a)

radius

b)

diameter

c)

circumference

d)

area

18.

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

a)

radius

b)

diameter

c)

circumference

d)

area

19.

Which quadrant is 150^o in?

a)

I

b)

II

c)

III

d)

IV

20.

Find the area of the circle in terms of π

a)

$8\pi\ cm^2$

b)

$64\pi\ cm^2$

c)

$16\pi\ cm^2$

d)

$4\pi\ cm^2$

21.

Find the area of the circle in terms of π

a)

$4\pi\ m^2$

b)

$16\pi\ m^2$

c)

$2\pi\ m^2$

d)

$8\pi\ m^2$

22.

If the radius is 12in, find the area of the shaded sector of the circle.

a)

$144\pi\ in^2$

b)

$48\pi\ in^2$

c)

$120\pi\ in^2$

d)

$36\pi\ in^2$

23.

Find the area of the 45^o sector of the circle

a)

$4.5\pi\ yd^2$

b)

$36\pi\ yd^2$

c)

$9\pi\ yd^2$

d)

$6\pi\ yd^2$

24.

Find the shaded area in terms of π

a)

$144\pi\ mm^2$

b)

$72\pi\ mm^2$

c)

$108\pi\ mm^2$

d)

$36\pi\ mm^2$

25.

Find the area of the figure in terms of π

a)

$12\pi\ units^2$

b)

$30\pi\ units^2$

c)

$9.5\pi\ units^2$

d)

$13\pi\ units^2$

circle intro

Total questions: 25

Worksheet time: 23mins

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