Free Printable Circles Parts and Terms

1.

The diameter of the circle is best represented by...

a)

$\overline{AB}$

b)

$\overline{CD}$

c)

$\overrightarrow{CB}$

d)

$\overleftarrow{A}\overrightarrow{B}$

2.

The radius of the circle is best represented by...

a)

$\overline{AB}$

b)

$\overline{CD}$

c)

$\overrightarrow{CB}$

d)

$\overleftarrow{A}\overrightarrow{B}$

3.

The chord of the circle is best represented by...

a)

$\overline{EF}$

b)

$\overline{CD}$

c)

$\overrightarrow{CB}$

d)

$\overleftarrow{A}\overrightarrow{B}$

4.

The Point of Tangency of the circle is best represented by...

a)

Point C

b)

Point G

c)

Point D

d)

Point E

5.

The Tangent of the circle is best represented by...

a)

$\overleftarrow{G}\overrightarrow{H}$

b)

$\overline{EF}$

c)

$\overleftarrow{E}\overrightarrow{F}$

d)

$\overline{AB}$

6.

The Secant of the circle is best represented by...

a)

$\overleftarrow{E}\overrightarrow{F}$

b)

$\overline{EF}$

c)

$\overleftarrow{G}\overrightarrow{H}$

d)

$\overline{AB}$

7.

If $\overleftarrow{G}\overrightarrow{H}$ is a tangent, then $\overline{CG}$ is ___________ to $\overleftarrow{G}\overrightarrow{H}$ , a radius of circle C.

a)

perpendicular

b)

parallel

c)

secant

d)

diameter

8.

If $\overleftarrow{A}\overrightarrow{D}\ and\ \overleftarrow{B}\overrightarrow{D}$ are tangent to circle C, and $\overline{AD}=13\ and\ \overline{BD}=4x-3$ find the value of x.

a)

4

b)

2.5

c)

4.5

d)

Not enough information

9.

In the diagram, $\overline{AC}$ is a radius of circle A. Is $\overline{CB}$ tangent to circle A? Explain.

a)

$\overline{CB}$ is not a tangent because $13^2+27^2\ne30^2$

b)

$\overline{CB}$ is a tangent because $13^2+27^2\approx30^2$

c)

$\overline{CB}$ is a tangent because $13^2+27^2=30^2$

d)

$\overline{CB}$ is not a tangent because $13^2+27^2=30^2$

10.

How many common tangents are there with two circles touching at one point?

a)

3

b)

2

c)

1

d)

4

e)

0

Circles Parts and Terms

Total questions: 10

Worksheet time: 5mins

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