Honors Math 3 - Circles Vocabulary

Honors Math 3 - Circles Vocabulary

By Jacob D'Aurizio

Multiple Choice

The _ is the distance from the center to any point on the circle.

• diameter

• radius

• π

• center

Multiple Choice

The _ is the distance across the circle that runs through the center.

• diameter

• radius

• π

• center

Multiple Choice

Find the diameter of the circle

• 1 ft

• 2 ft

• 4ft

• 4π ft

Multiple Choice

Find the radius of the circle

• 3 m

• 1.5 m

• 6 m

• 1π m

Multiple Select

Which of the following represent a chord? Select all that apply.

• Segment DC

• Segment AB

• Segment DB

• Segment AC

Multiple Select

Which of the following represent a secant? Select all that apply.

• Segment DC

• Line AB

• Line EF

• Segment AB

Multiple Choice

Q

• Point of Tangency

• Secant

• Center

• Tangent

Multiple Choice

Line LQ

• Secant

• Tangent

• Chord

• Diameter

Multiple Choice

Line PN

• Radius

• Secant

• Diameter

• Tangent

Multiple Choice

Line QR

• Chord

• Secant

• Diameter

• Radius

Multiple Choice

Line UY

• Secant

• Chord

• Diameter

• Tangent

Multiple Select

Which of the following represents a minor arc? *Check all that apply*

• arc ACE

• arc BC

• arc BDE

• arc EA

Multiple Select

Which of the following represents a major arc? *Check all that apply*

• arc ACE

• arc ABC

• arc BCE

• arc EA

Multiple Choice

What type of angle is shown below?

• tangent angle

• inverse angle

• central angle

• circle angle

Multiple Choice

How many degrees are in a cirlce?

• 90

• 180

• 270

• 360

Multiple Choice

This is a picture of ___________.

• Major Arc

• Circumscribed angle

• Central Angle

• Inscribed Angle

Multiple Choice

This is a picture of ___________.

• Major Arc

• Circumscribed angle

• Central Angle

• Inscribed Angle

Multiple Choice

This is a picture of ___________.

• Minor Arc

• Major Arc

• Semi-Circle

• Central Angle

Multiple Choice

This is a picture of ___________.

• Minor Arc

• Major Arc

• Semi-Circle

• Central Angle

Multiple Choice

This is a picture of ___________.

• Major Arc

• Minor Arc

• Central Angle

• Inscribed Angle

Multiple Choice

An arc is...

• A line that passes through the center and goes from edge to edge.

• A part of the circumference.

• A boat.

• A line that touches the circle once.

Multiple Choice

Which number diagram shows a chord?

• 6

• 7

• 3

• 7 and 5

Multiple Choice

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

• secant line

• diameter

• chord

• tangent line

Multiple Choice

An angle whose vertex is the center of a circle is a(n) ______.

• inscribed angle

• acute angle

• obtuse angle

• central angle

Multiple Choice

A tangent line of a circle is...

• It's diameter

• It's radius

• It's circumference

• A line that touches the circle only once

Multiple Choice

A segment whose endpoints are on the circle that passes through the center of the circle

• radius

• circumference

• diameter

• chord

Multiple Choice

Name a chord.

• Segment XC

• Segment KM

• Segment FG

• LINE BD

Multiple Choice

What is AC called?

• Radius

• Secant

• Tangent

• Diameter

Multiple Choice

Name a Diameter.

• DE

• GA

• CB

• AB

Multiple Choice

Name a Secant.

• DE

• EA

• CB

• AB

Multiple Choice

Name a Tangent

• Segment AG

• Line AG

• Line DE

• Segment

Multiple Choice

The distance around a circle

• Diameter

• Radius

• Circumference

• Area

Multiple Choice

The equation for the area of a circle is

• A = πr²

• A = 2πr

• A = 2πr²

• A = 2r

Multiple Choice

The equation for the circumference of a circle is

• A = πr²

• A = 2πr

• A = 2πr²

• A = 2r

Multiple Choice

If the radius of a circle is 4, what is the area of the circle?

• 4π

• 8π

• 16π

• 32π

Multiple Choice

If the radius of a circle is 4, what is the circumference of the circle?

• 4π

• 8π

• 16π

• 32π

Multiple Choice

If the diameter of a circle is 18, what is the circumference of the circle?

• 162π

• 81π

• 18π

• 9π

Multiple Choice

If the diameter of a circle is 18, what is the area of the circle?

• 162π

• 81π

• 18π

• 9π

Multiple Choice

If the area of a circle is 36π, what is the radius of the circle?

• 36

• 18

• 12

• 6

Multiple Choice

If the circumference of a circle is 36π, what is the radius of the circle?

• 36

• 18

• 12

• 6

Multiple Choice

If the circumference of a circle is 20π, what is the area of the circle?

• 10π

• 20π

• 100π

• 400π

Multiple Choice

Which of the following represents a sector?

• a

• b

• c

• none of the above!