# Ch 40: 6th-8th Grade Geometry: Circular Arcs & Measurement

The brief and fun video lessons in this chapter on circular arcs and measurements teach 6th-8th graders how to identify and draw tangents, line segments, and circles. Lesson transcripts with bolded keywords help students recognize major topics.

## 6th-8th Grade Geometry: Circular Arcs & Measurement - Chapter Summary

View the video lessons in this chapter to explore the circular arcs and measuring strategies that your elementary and middle school students have been discussing in class. Straightforward and interesting videos describe the different angles, segments, and arcs of circles. Furthermore, students gain a deeper understanding of how to construct these geometry concepts. Evaluate your elementary and middle school students' progress by assigning lesson quizzes as homework.

## Chapter Lessons and Objectives

Lesson Objectives
Circular Arcs and Circles: Definitions and Examples Lesson draws out and explains the properties of a circle, determines how to find the distance between a circle and a point, and then describes the following terms: semicircles, locus, circular arcs, and points.
Central and Inscribed Angles: Definitions and Examples Instructors explain the properties of these specific angles.
Measure of an Arc: Process & Practice Students learn to identify the steps involved in measuring an arc.
How to Find the Measure of an Inscribed Angle Instructors provide the definition of an inscribed angle, and then indicate how the angle is measured.
Tangent of a Circle: Definition & Theorems Your students analyze a circle's tangent, go over tangent postulates, and draw a circle's tangent.
Measurements of Angles Involving Tangents, Chords & Secants Lesson reviews how to measure angles created by tangents.
Measurements of Lengths Involving Tangents, Chords & Secants Here, students can study how to measure segment lengths when tangents are involved.
Inscribed and Circumscribed Figures: Definition & Construction Instructors establish circumscribed and inscribed figures, explore the relationship between these figures, and research the steps involved in constructing these figures.
Constructing Inscribed & Circumscribed Triangles Students practice creating the circumscribed and inscribed circles of a triangle.
Regular Polygons: Definition & Parts Lesson instructors elaborate on the properties of regular polygons and sketch out this shape.
Arc Length of a Sector: Definition and Area Your students learn the formula to measure the area of the sector, describe arc length, and explain the sector of a circle.

Final Exam
Chapter Exam

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