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A comprehensive geometry curriculum
Geometry for School and Home
Activity 3.8
Assignment 3.9
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Assignment 10.10
Intersecting Lines and Circles: Angles and Arcs
Objectives
Name arcs intercepted by angles determined by secants, tangents, and chords in circles.
Name inscribed angles and their intercepted arcs.
About Geometry Worksheet Assignment 10.10:
Assignment 10.10 is an introduction to angles and arcs determined by lines intersecting circles.
Prerequisite Skills: Identify and name arcs and major arcs (Assignment 10.7).
Definition: An inscribed angle is an angle with its vertex on the circle and sides that are chords.
Theorem: Intersecting lines that intersect a circle intersect at the center of the circle, or in the interior of the circle, or on the circle, or in the exterior of the
circle.
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