This Circles unit (Geometry Unit 10) provides teachers with ready-to-teach materials on circles in high school geometry. With 69 pages of guided notes, homework assignments, three quizzes, a study guide, and a unit test, it covers everything from parts of circles, central angles, and arc lengths to inscribed angles, tangent lines, segment lengths, and the equation of a circle.
This unit contains the following topics:
• Identifying Parts of Circles: Center, Radius, Chord, Diameter, Secant, Tangent, Central Angle, Inscribed Angle, Minor Arc, Major Arc, Semicircle
• Area and Circumference
• Central Angles
• Arc Lengths
• Congruent Chords and Arcs
• Inscribed Angles and Polygons
• Properties of Tangent Lines
• Arc and Angle Measures
• Segment Lengths
• Equation of a Circle (Graphing, identifying center, radius, circumference, area)
• Writing the Equation of a Circle in Standard Form (by completing the square)
This unit does not contain activities.
This is the guided notes, homework assignments, quizzes, study guide, and unit test only. For suggested activities to go with this unit, check out the ATA Activity Alignment Guides.
This resource is included in the following bundle(s):
License Terms:
This purchase includes a single non-transferable license, meaning it is for one teacher only for personal use in their classroom and can not be passed from one teacher to another. No part of this resource is to be shared with colleagues or used by an entire grade level, school, or district without purchasing the proper number of licenses. A transferable license is not available for this resource.
Copyright Terms:
No part of this resource may be uploaded to the internet in any form, including classroom/personal websites or network drives, unless the site is password protected and can only be accessed by students.

















