Define circle, radius, chord, diameter, and arc.

A circle is the set of all points in a plane that lie a fixed distance from a point called its center

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QUESTION OF
Views #: 26
Questions #: 12
Time: 10 minutes
Pass Score: 80.0%
Style
Mode

Identifying Parts of a Circle

1 pts
volume_mute

A circle with center point O is shown below. Identify the geometric term that correctly describes the blue line segment connecting the center point O to point A on the outer boundary.

OA
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Explanation

Defining a Chord

1 pts
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In the diagram below, a straight line segment links point P and point Q, both situated directly on the boundary edge. What is the correct term for this line segment?

PQO
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Explanation

The Diameter Property

1 pts

A circle has a known radius measurement of \(4.5\text{ cm}\). Calculate the exact length of its diameter.

Answer = (1)

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Explanation

Understanding Geometric Arcs

1 pts
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Look at the highlighted portion along the perimeter of the circle below. What is the correct term for a continuous, curved section of a circle's outer boundary?

XY
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Explanation

The Definition of a Circle

1 pts

Complete the foundational geometric definition using the selection options below:

A circle is a collection of all points in a flat plane that are an equal distance from a fixed point called the (1).

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Explanation

Matching Terminology to Components

1 pts

Match each standard vocabulary word below to its corresponding visual structural description inside a circle.

To complete the line match

  1. Click on an item in the first group
  2. Click on the match in the second group

To delete a match, double click on a line

Terms

Diameter
Radius
Chord

Descriptions

A line segment passing through the center with both ends on the circle
A line segment connecting the center to any point on the circle
Any line segment whose endpoints reside on the outer boundary
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Explanation

Longest Chord Classification

1 pts

Classify the geometric features of a circle based on their dimensional traits.

drag and drop the selected option to the right place

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Explanation

True or False: Chord vs Diameter

1 pts
volume_mute

Determine if the following geometric statement is true or false:

"Every diameter of a circle is a chord, but not every chord is a diameter."

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Explanation

Calculating Radius from Diameter

1 pts

If the total across-the-center diameter length of a bicycle wheel is measured to be \(24\text{ inches}\), determine the length of one of its spokes (the radius).

Answer = (1)

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Explanation

Circle Term Identification

1 pts

Enter the precise word required to complete the textbook phrase:

The total surrounding perimeter distance around the outside edge of a complete circle is called the (1).

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Explanation

A ______ is an arc of a circle whose endpoints are the endpoints of a diameter

1 pts
Missing
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Explanation

Major arc and minor arc

1 pts

An arc that is shorter than a semicircle is a (1) arc. An arc that is longer than a semicircle is a (2) arc.

Please drag and drop the selected option in the right place or type it instead
minor
major
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Explanation

✕
0
sin cos tan
sin-1 cos-1 tan-1 π e
xy x3 x2 ex 10x
y√x 3√x √x ln log
( ) 1/x % n!
7 8 9 + MS
4 5 6 – M+
1 2 3 × M-
0 . EXP ÷ MR
± RND C = MC
Keywords
Year 8