# Circles

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Take Quiz 1 to identify your areas for growth. We'll recommend lessons for exactly what you need to learn.

Lessons

Circle basicsArc measureArc length (degrees)Introduction to radiansQuiz 1Arc length (radians)SectorsInscribed anglesQuiz 2Inscribed shapes problem solvingProperties of tangentsArea of inscribed triangleQuiz 3Standard equation of a circleExpanded equation of a circleConstructing regular polygons inscribed in circlesConstructing circumcircles & incirclesConstructing a line tangent to a circleUnit testPractice

Quizzes

Unit test

Practice

Radians & degrees

4 questions

Practice

Identify your areas for growth in these lessons:

Learn

Practice

Area of a sector

4 questions

Practice

Learn

Practice

Inscribed angles

4 questions

Practice

Learn

Learn

Practice

Tangents of circles problems

4 questions

Practice

Identify your areas for growth in these lessons:

Learn

Practice

Features of a circle from its standard equation

4 questions

Practice

Graph a circle from its standard equation

4 questions

Practice

Write standard equation of a circle

4 questions

Practice

Practice

Features of a circle from its expanded equation

4 questions

Practice

Graph a circle from its expanded equation

4 questions

Practice

Test your understanding of

**Circles**with these 15 questions.About this unit

Explore, prove, and apply important properties of circles that have to do with things like arc length, radians, inscribed angles, and tangents.