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Parts of a Circle Worksheet

Grade 12 Math worksheet on identifying and understanding the different parts of a circle, including radius, diameter, chord, tangent, secant, arc, and sectors.

Grade 12 Math GeometryParts of a Circle
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Includes

CustomFill in the BlanksMultiple ChoiceTrue / FalseShort Answer

Standards

CCSS.MATH.CONTENT.HSG.C.A.1CCSS.MATH.CONTENT.HSG.C.A.2

Topics

MathGeometryCircleRadiusDiameterChordTangentSecantArcSector
7 sections · Free to use · Printable
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Parts of a Circle

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Read each question carefully and provide the best answer. Refer to the diagram of the circle for identification questions.

Refer to the diagram below for questions 1-5:

A B O C D E F

1. Line segment OA is a  .

2. Line segment BD is a  .

3. Line segment CD is a  .

4. Line E is a  .

5. Arc AF is a  .

6. Which of the following best describes a tangent line to a circle?

a

A line segment connecting two points on the circle.

b

A line that passes through the center of the circle.

c

A line that intersects the circle at exactly one point.

d

A line that intersects the circle at two points.

7. What is the relationship between the radius and the diameter of a circle?

a

Radius is twice the diameter.

b

Diameter is twice the radius.

c

Radius and diameter are always equal.

d

There is no direct relationship.

8. A chord is always a diameter.

T

True

F

False

9. A secant line intersects a circle at exactly one point.

T

True

F

False

10. Define a minor arc and a major arc.

11. Explain the difference between a sector and a segment of a circle.