• #### 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.
• #### 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 - 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 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 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.
• #### 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 3

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

##### Math›Geometry›Circles
How to find angle and arc measures formed by intersecting secants and tangents.
• #### Inscribed Angles - Problem 1

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

##### Math›Geometry›Area
How to find the radius of a circle when the area and arc measure are given.
• #### 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.
• #### Angles in Semicircles and Chords to Tangents - Concept

##### Math›Geometry›Circles
How to prove that an angle inscribed in a semicircle is a right angle; how to solve for arcs and angles formed by a chord drawn to a point of tangency.
• #### Secants - Concept

##### Math›Geometry›Circles
How to define a secant; how to find the length of various secants in circles.
• #### Secants - Problem 3

##### Math›Geometry›Circles
How to find the length of intersecting secant segments.
• #### Inscribed Angles - Concept

##### Math›Geometry›Circles
How to calculate the measure of an inscribed angle.
• #### Secants - Problem 1

##### Math›Geometry›Circles
How to find the angle measures formed by intersecting secants.
• #### Secants - Problem 4

##### Math›Geometry›Circles
How to fin the length of secant segments drawn from points outside a circle.