About Circles

Distinguish between radius, diameter, chord, tangent and secant of a circle. Find relationships between congruent and similar circles. Examine inscribed and circumscribed polygons. Write the equation of a circle

Tangent Lines

Find the relationship between a radius and a tangent to a circle. Find the relationship between two tangents drawn from the same point. Circumscribe a circle. Find equations of concentric circles

Common Tangents and Tangent Circles

Solve problems involving common internal tangents of circles. Solve problems involving common external tangents of circles. Solve problems involving externally tangent circles. Solve problems involving internally tangent circles

Arc Measures

Measure central angles and arcs of circles, Find relationships between adjacent arcs, Find relationships between arcs and chords

Chords

Find the lengths of chords in a circle, Find the measure of arcs in a circle

Inscribed Angles

Find the measure of inscribed angles and the arcs they intercept

Angles of Chords, Secants and Tangents

Find the measures of angles formed by chords, secants and tangents

Segments of Chords, Secants and Tangents

Find the lengths of segments associated with circles