• #### Arc Length - Concept

##### Math›Geometry›Circles
How to define arc length and how it is different from arc measure; how to calculate the length of an arc.
• #### Arc Length - Problem 2

##### Math›Geometry›Circles
How to find the radius of a circle given arc length and arc measure.
• #### Arc Length - Problem 1

##### Math›Geometry›Circles
How to find the length of an arc given a radius and arc length.
• #### Central Angles and Intercepted Arcs - Problem 3

##### Math›Geometry›Circles
How to find the measure of an intercepted arc given the measure of two arcs.
• #### Central Angles and Intercepted Arcs - Concept

##### Math›Geometry›Circles
How to define a central angle and find the measure of its intercepted arc; how to describe the intercepted arcs of congruent chords.
• #### Arc Length - Problem 3

##### Math›Geometry›Circles
How to find the arc length formed by an inscribed angle given the diameter.
• #### Central Angles and Intercepted Arcs - Problem 4

##### Math›Geometry›Circles
How to find the measure of an arc created by the vertices of an inscribed regular polygon.
• #### Central Angles and Intercepted Arcs - Problem 2

##### Math›Geometry›Circles
How to find the arc and angle measure when a diameter is given, as well as a radius and a chord drawn between the two.
• #### Central Angles and Intercepted Arcs - Problem 1

##### Math›Geometry›Circles
How to find arc measures, given the measure of its central angle measure, or find central angle measures, given congruent chords.
• #### Parts of a Circle - Problem 1

##### Math›Geometry›Geometry Building Blocks
How to classify arcs and define chords and tangents.
• #### Inscribed Angles - Problem 1

##### Math›Geometry›Circles
How to find the measure of an inscribed angle and a missing arc.
• #### Secants - Problem 2

##### Math›Geometry›Circles
How to find angle and arc measures formed by intersecting secants and tangents.
• #### Inscribed Angles - Problem 3

##### Math›Geometry›Circles
How to find the measure of inscribed angles that have congruent intercepted arcs.
• #### Inscribed Angles - Problem 2

##### Math›Geometry›Circles
How to find the measure of intercepted arcs, given the vertex angle of an inscribed isosceles triangle.
• #### Area of a Sector - Problem 1

##### Math›Geometry›Area
How to find the area of a sector when the radius and arc measure are given.
• #### Area of a Sector - Problem 3

##### Math›Geometry›Area
How to find the area of a sector given the arc measure and the length of the intercepted chord.
• #### Area of a Sector - Problem 2

##### Math›Geometry›Area
How to find the radius of a circle when the area and arc measure are given.
• #### Chords and a Circle's Center - Problem 2

##### Math›Geometry›Circles
How to find the center of a circle given only an arc.
• #### Angles in Semicircles and Chords to Tangents - Problem 3

##### Math›Geometry›Circles
How to solve for arcs and angles formed by two chords drawn to a point of tangency.
• #### Angles in Semicircles and Chords to Tangents - Problem 2

##### Math›Geometry›Circles
How to solve for arcs and angles formed by a chord drawn to a point of tangency.