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Circles

Inside and Outside Angle Theorem Practice

An angle is formed by two rays sharing a common endpoint, called the vertex of the angle. A ray is a line segment that starts at a point and extends indefinitely in one direction. A segment is a part of a line between two points. Angles formed by two intersecting lines are called intersecting angles. Angles formed by two intersecting lines that are not parallel are called complementary angles. Angles formed by two intersecting lines, one of which is a chord of the circle, are called inscribed angles. Angles formed by two intersecting lines, one of which is a chord of the circle, and the other a tangent to the circle, are called central angles.

Kurt Kleinberg

(A few) Circle Theorems

Angles and Cirlce Theorems with chords and tangents

Arc Length

Arc Length Examples

Area of Sector

Area of Sector Examples

Central and Inscribed Angle Practice

Circle in Coordinates

Circles Intro and Terminology

Circles and Coordinates Examples

Circles and Tangents

Circles and Tangents Examples

Inside and Outside Angle Theorem Practice

Naming Circles Radii and Diameters

Segment Rules

Segment Rules Examples

Using Circle Thms Examples cont.