Circles, chords, and arcs | 118 plays

1.

Multiple Choice

30 sec

1 pt

In a circle (or congruent circles), the measure of an arc is:

equal to half of the measure of its corresponding central angle

equal to the measure of its corresponding central angle

equal to the measure of its circle's radii

only calculated by taking the square root of dragon taxis

2.

Multiple Choice

30 sec

1 pt

In a circle (or congruent circles), the measure of an arc is:

equal to twice the measure of its corresponding inscribed angle

equal to the measure of its corresponding inscribed angle

equal to half of the measure of its corresponding inscribed angle

equal to four cups of wheat flour

3.

Multiple Choice

30 sec

1 pt

In a circle, if a diameter is is perpendicular to a chord, then:

it bisects the chord

it bisects the corresponding arc

it bisects BOTH the chord and its arc

none of these answers are correct

4.

Multiple Choice

30 sec

1 pt

In a circle, if a diameter bisects a chord (that is not a diameter), then:

it is a secant

it is parallel to the chord

it is perpendicular to the chord

it is just shaking out the sillies

5.

Multiple Choice

30 sec

1 pt

The radius of a circle is

The measurement from the center of a circle to an edge of the circle.

The measurement around the circle

The measurement from and edge of the circle to another edge through the center

A line perpendicular to the diameter of the circle

6.

Multiple Choice

30 sec

1 pt

Which best describes segment AB?

chord

secant

tangent

diameter

7.

Multiple Choice

1 min

1 pt

A tangent line intersecting with a radius always creates a ____________ angle

right

acute

obtuse

straight

8.

Multiple Choice

2 mins

1 pt

If the measure of arc ABC = 210°, what is the measure of ∠AOC?

150°

100°

210°

105°

9.

Multiple Choice

2 mins

1 pt

What is the measure of ∠PTQ?

100°

140°

180°

120°

10.

Multiple Choice

2 mins

1 pt

opposite angles in any quadrilateral inscribed in a circle are __________ of each other.

complements

supplements

congruent

opposite

11.

Multiple Choice

2 mins

1 pt

A ____ is a line, ray, or segment that intersects a circle at two points.

Tangent

Secant

Radius

Arc

12.

Multiple Choice

2 mins

1 pt

An angle is a(n) ______ if the vertex is on a circle and the sides of the angle are shords of the circle.

right angle

acute angle

inscribed angle

intercepted angle

13.

Multiple Choice

2 mins

1 pt

A(n) _____ to a circle is a line, ray or segment in the plane of the circle that intersects the circle in exactly one point.

tangent

secant

radius

arc

14.

Multiple Choice

2 mins

1 pt

Segments with endpoints on a circle are called _____.

arcs

radii

chords

polygons

15.

Multiple Choice

5 mins

1 pt

Find the value of x.

15

13

3

6

16.

Multiple Choice

15 mins

1 pt

inscribed angle: an angle with its vertex _____________ the circle

at the center of

on

17.

Multiple Choice

15 mins

1 pt

What is x?

15

23

2

92

18.

Multiple Choice

15 mins

1 pt

In a circle (or congruent circles), congruent arcs:

have congruent chords

have congruent points

are twice the measure of their radii

can climb a hippo

19.

Multiple Choice

15 mins

1 pt

Find the radius r

2

3

4

5

20.

Multiple Choice

30 sec

1 pt

In the diagram, TP and TQ are tangents to circle O. Determine the value of x. (Note the angles with single arcs are not necessarily congruent in this diagram.)

70

110

140

90

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