Parts of a Circle Worksheet
Identify and label the different parts of a circle including radius, diameter, circumference, and center.
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Parts of a Circle
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Read each question carefully and provide the best answer. For diagrams, label the parts as indicated.
1. Which term describes the distance from the center of a circle to any point on its edge?
Diameter
Radius
Circumference
Area
2. A line segment that passes through the center of a circle and has its endpoints on the circle is called the:
Radius
Chord
Diameter
Arc
1. The is the measurement of the distance around a circle.
2. A is a line segment connecting two points on the circle's circumference.
Use the diagram below to answer the questions.
1. What part of the circle is labeled A?
2. What part of the circle is labeled B?
3. What part of the circle is labeled C?
1. The diameter of a circle is always twice its radius.
True
False
2. A chord must pass through the center of a circle.
True
False
Match each term on the left with its correct definition on the right.
1. Radius
a. The distance around the circle
2. Diameter
b. A line segment from the center to the circle's edge
3. Circumference
c. A line segment passing through the center with endpoints on the circle
4. Center
d. The point equidistant from all points on the circle