Progress
Circle basics
Arc measure
Arc length (degrees)
Introduction to radians
Quiz 1
5 questions
Arc length (radians)
Sectors
Inscribed angles
Quiz 2
5 questions
Inscribed shapes problem solving
Properties of tangents
Area of inscribed triangle
Quiz 3
5 questions
Standard equation of a circle
Expanded equation of a circle
Unit test
15 questions

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Area of a sector
4 questions
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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.