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A comprehensive geometry curriculum
Geometry for School and Home
Activity 3.8
Assignment 3.9
Assignment 10.1
Circles
Objectives
Name and identify circles and their centers.
Name radii, chords, and diameters in circles.
Measure the radius and diameter of circles.
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About Geometry Worksheet Assignment 10.1:
Assignment 10.1 is an introduction to circles and line segments in circles.
Prerequisite Skills: Name line segments (Assignment 1.12). Measure line segments (Assignment 1.11).
Definitions: The set of points at a given distance from a given points is a circle. The given point is the center of the circle. The given distance is the radius of the
circle.
A radius of a circle is a line segment with one endpoint the center of the circle and the other endpoint on the circle.
A chord is a line segment with endpoints on a circle.
A diameter is a chord that contains the center of the circle.
The length of a diameter of a circle is the diameter of the circle.