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Label Parts of a Circle - Printable Mathematics Worksheets grade 12 - Wayground

Label Parts of a Circle

20 questions

7th Grade

Mathematics

This Grade 7 mathematics worksheet gives students repeated practice identifying and labeling parts of a circle from diagrams. Across 20 items, students use image-based drag-and-drop labeling, matching, multiple-choice, dropdown, and drag-and-drop questions to recognize the center, radius, diameter, chord, secant, tangent, arc, sector, circumference, and segment. The worksheet strengthens students’ ability to distinguish circle parts by the way each line, segment, or region relates to the circle. Students identify specific segments, classify lines and segments using precise geometric terms, and match visual representations with their correct labels. It is a free printable worksheet with a complete answer key for Grade 7 math practice, review, or assessment.

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Worksheets

Label Parts of a Circle

Total questions: 20

Name
Class
Date
1.

Label the part of the circle shown in the diagram

a)

sector

b)

chord

c)

segment

d)

tangent

e)

circumference

f)

radius

g)

diameter

h)

centre

i)

arc

1
1)
2.

Label the part of the circle shown in the diagram

a)

sector

b)

chord

c)

segment

d)

tangent

e)

circumference

f)

radius

g)

diameter

h)

centre

i)

arc

1
1)
3.

Label the part of the circle shown in the diagram

a)

sector

b)

chord

c)

segment

d)

tangent

e)

circumference

f)

radius

g)

diameter

h)

centre

i)

arc

1
1)
4.

Label the part of the circle shown in the diagram

a)

sector

b)

chord

c)

segment

d)

tangent

e)

circumference

f)

radius

g)

diameter

h)

centre

i)

arc

1
1)
5.
Question Image

Match the following part of the circle with its correct label.

Center

Point S

Chord

Segment XW XW‾\overline{XW}

Radius

ST‾\overline{ST}

Segment ST

Diameter

QV‾\overline{QV}

Segment QV

Tangent Line

VU‾\overline{VU}

Line VU

6.

Label the circle.

a)

Diameter

b)

Minor Arc

c)

Secant

d)

Tangent

e)

Chord

f)

Radius

1
2
3
4
1)
2)
3)
4)
7.

Label each line or segment of the circle.

a)

Tangent

b)

Radius

c)

Diameter

d)

Chord

e)

Secant

1
2
3
4
5
1)
2)
3)
4)
5)
8.

Drag and Drop: Match the correct parts of a circle.

a)

center

b)

tangent

c)

chord

d)

diameter

e)

secant

f)

radius

1
2
3
4
5
6
1)
2)
3)
4)
5)
6)
9.
Question Image

Match the part of the circle with the term that best describes it.

Point of Tangency

Center

Chord

Tangent

10.

Which segment is a radius?

a)

LM

b)

DC

c)

BD

d)

ML

1
1)
11.

Label the 4 lines shown on the circle. There may be trick guesses...

a)

Ulna

b)

Accord

c)

Diayard

d)

Cosine Line

e)

Sine Line

f)

Tangent Line

g)

Diameter

h)

Radius

i)

Chord

1
2
3
4
1)
2)
3)
4)
12.

Name the pictured part of the circle.

a)

Diameter

b)

Sector

c)

Radius

d)

Central Angle

e)

Arc

13.

Tell whether the line or segment is best described as a chord, a secant, a diameter, a tangent, or a radius.

PZ‾\overline{PZ} ​ (a)  

line PZPZ ​ (b)  

RT‾\overline{RT} ​ (c)  

Choose from the below words

chord

secant

diameter

tangent

radius

14.

What do we call the red line?
(a)  

Choose from the below words

Chord

Arc

Diameter

Segment

15.

What is line AD called?

a)

Area

b)

Circumference

c)

Radius

d)

Diameter

16.

Which segment is the diameter?

a)

CE

b)

CD

c)

BD

1
1)
17.

Label the part of the circle shown in the diagram

a)

sector

b)

chord

c)

segment

d)

tangent

e)

circumference

f)

radius

g)

diameter

h)

centre

i)

arc

1
1)
18.

Label the part of the circle shown in the diagram

a)

sector

b)

chord

c)

segment

d)

tangent

e)

circumference

f)

radius

g)

diameter

h)

centre

i)

arc

1
1)
19.

Label the part of the circle shown in the diagram

a)

sector

b)

chord

c)

segment

d)

tangent

e)

circumference

f)

radius

g)

diameter

h)

centre

i)

arc

1
1)
20.

Label the part of the circle shown in the diagram

a)

sector

b)

chord

c)

segment

d)

tangent

e)

circumference

f)

radius

g)

diameter

h)

centre

i)

arc

1
1)
Answer Key

Label Parts of a Circle

Total questions: 20

1.
b
2.
g
3.
a
4.
e
5.

Center

 - 

Point S

, 

Chord

 - 

Segment XW XW‾\overline{XW}

, 

Radius

 - 

ST‾\overline{ST}

Segment ST

, 

Diameter

 - 

QV‾\overline{QV}

Segment QV

, 

Tangent Line

 - 

VU‾\overline{VU}

Line VU

6.
d
e
f
a
7.
b
c
d
e
a
8.
c
d
e
f
b
a
9.

 - 

Point of Tangency

, 

 - 

Center

, 

 - 

Chord

, 

 - 

Tangent

10.
b
11.
f
g
h
i
12.
a)

Diameter

13.

chord

,

secant

,

radius

14.

Chord

15.
c)

Radius

16.
c
17.
d
18.
f
19.
h
20.
c

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FAQs

What does the “Label Parts of a Circle” worksheet cover?

This Grade 7 worksheet focuses on identifying and labeling circle parts, including the center, radius, diameter, chord, secant, tangent, arc, sector, circumference, and segment. Its 20 items use diagram-based drag-and-drop labeling, matching, multiple-choice, dropdown, and drag-and-drop formats so students connect geometric terms to the lines, segments, and regions they represent.

How can I use this worksheet to teach students the parts of a circle?

Introduce the vocabulary with a labeled circle, then model how to identify a line or segment by examining its endpoints and its relationship to the circle. Use the worksheet’s image-labeling items for guided practice, pause on comparisons such as radius versus diameter and chord versus secant, and finish with the matching and classification items as independent practice or a quick check for understanding.

What mistakes should I watch for when students complete this circle-parts worksheet?

Students may confuse a radius with a diameter, especially when both are drawn from the center, or label any line touching the circle as a chord instead of distinguishing a tangent from a secant. They may also mix up an arc, sector, and segment because each refers to a different type of circle feature. Check that students use the diagram’s endpoints and intersections, rather than guessing from the line’s direction or appearance.

How do I assign and grade this parts-of-a-circle worksheet?

Wayground provides this worksheet as a printable PDF and as a digital quiz, and it includes a complete answer key. You can assign the digital version for automatic online practice or print the diagram-labeling and matching activities for paper work. Printable submissions can be graded by scanning student work with the Wayground for Teachers app.

How can I differentiate this worksheet for my students?

Use the worksheet’s Advanced Settings to adjust font spacing and font size around the circle-part labels and response choices, or select a dyslexia-friendly font. You can also translate the worksheet into another language to support students as they work through the diagram-labeling, matching, and line-classification items.

Where can I find more worksheets like this on Wayground?

Wayground offers a comprehensive collection of free printable worksheets and practice problems across subjects, with downloadable PDFs and answer keys to help students master essential skills and concepts. Browse more resources at https://wayground.com/en-us/worksheets.

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