Quiz about Circles and Chords

Question 1

Use chords to solve for x

Accepted Answer

x = 70o

Answer

x = 35o

Answer

x = 50o

Answer

x = 140o

Question 2

Use chords to solve for x

Accepted Answer

x = 6 cm

Answer

x = 3 cm

Answer

x = 4 cm

Answer

x = 5 cm

Question 3

In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?"

Accepted Answer

15

Answer

-15

Answer

6

Answer

14

Question 4

Use chords to solve

Accepted Answer

17

Answer

34

Answer

20

Answer

18

Question 5

Find the radius r

Accepted Answer

3

Answer

2

Answer

4

Answer

5

Question 6

Find x

Accepted Answer

10

Answer

5

Answer

18

Answer

9

Question 7

If XC = 15, then FG = _____.

Accepted Answer

30

Answer

15

Answer

45

Answer

Unable to determine

Question 8

Name a major arc in circle O.

Accepted Answer

CBA

Answer

AB

Answer

CDA

Answer

CB

Question 9

A segment whose endpoints are the center and any point on the circle

Accepted Answer

radius

Answer

diameter

Answer

chord

Answer

tangent

Question 10

An arc with a central angle measure of exactly 180^o

Accepted Answer

semicircle

Answer

major arc

Answer

diameter

Answer

radius

Question 11

A line in the plane of a circle that intersects a circle at exactly two points

Accepted Answer

secant line

Answer

diameter

Answer

chord

Answer

tangent line

Question 12

An angle whose vertex is the center of the circle

Accepted Answer

central angle

Answer

inscribed angle

Answer

minor arc

Answer

diameter

Question 13

Set of all points in the plane equidistant from a single point called the center

Accepted Answer

circle

Answer

chord

Answer

polygon

Answer

radius

Question 14

What best describes segment AB?

Accepted Answer

chord

Answer

secant

Answer

tangent

Answer

diameter

Question 15

A line in the same plane as a circle that intersects the circle at exactly one point is a ____________.

Accepted Answer

tangent

Answer

secant

Answer

chord

Answer

radius

Question 16

A tangent to a circle is ________________________ to the radius drawn to the point of tangency.

Accepted Answer

perpendicular

Answer

congruent

Answer

complimentary

Answer

supplementary

Question 17

Name ALL the radii in the picture

Accepted Answer

BC, BA & BD

Answer

DE & BC

Answer

BC

Answer

BE, DC & AD

Question 18

What shape is this?

Accepted Answer

semicircle

Answer

circle

Answer

hemisphere

Answer

cone

Question 19

What is CB?

Accepted Answer

radius

Answer

diameter

Answer

center

Answer

circumference

Question 20

What is the radius of this circle?

Accepted Answer

3

Answer

6

Answer

5

Answer

4

Question 21

Name a chord.

Accepted Answer

Segment HJ

Answer

Segment XC

Answer

Segment KM

Answer

LINE BD

Question 22

In a circle (or congruent circles), chords that are the same distance from the center:

Accepted Answer

are congruent to each other

Answer

are similar

Answer

have the same name

Answer

are walking dead

Question 23

What is the diameter?

Accepted Answer

16

Answer

8

Answer

10

Answer

4

Question 24

Name the tangent line

Accepted Answer

s

Answer

WR

Answer

VT

Answer

QR

Question 25

Name the chords.

Accepted Answer

VT and WR

Answer

VT

Answer

WR

Answer

s

Question 26

What can you conclude from the picture?

Accepted Answer

m is tangent to circle C

Answer

m is parallel to circle C

Answer

m is skew to circle C

Answer

m bisects circle C

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