• #### The Circle - Problem 1

##### Math›Precalculus›Conic Sections
How to find the equation for a circle given the center and radius.
• #### Tangent Segments to a Circle - Problem 3

##### Math›Geometry›Circles
How to calculate the measure of an intercepted arc formed by two tangents drawn from the same point.
• #### The Circle - Problem 1

##### Math›Algebra 2›Conic Sections
How to find the equation for a circle given the center and radius.
• #### The Circle - Problem 3

##### Math›Precalculus›Conic Sections
How to find the center and radius of a circle by completing the square.
• #### Tangent Segments to a Circle - Problem 2

##### Math›Geometry›Circles
How to find the measure of an angle formed by a chord drawn between two points of tangency.
• #### The Circle - Concept

##### Math›Precalculus›Conic Sections
How to use the distance formula to derive the equation for a circle.
• #### The Circle - Problem 4

##### Math›Precalculus›Conic Sections
How to use two endpoints of a diameter to create the equation for a circle.
• #### The Circle - Problem 3

##### Math›Algebra 2›Conic Sections
How to find the center and radius of a circle by completing the square.
• #### The Circle - Problem 2

##### Math›Algebra 2›Conic Sections
How to find the center and radius of a circle given an equation.
• #### The Circle - Concept

##### Math›Algebra 2›Conic Sections
How to use the distance formula to derive the equation for a circle.
• #### Equation of a Circle - Problem 1

##### Math›Trigonometry›Pythagorean Theorem
How to write the equation of a circle given the center and a point on the circle.
• #### The Circle - Problem 4

##### Math›Algebra 2›Conic Sections
How to use two endpoints of a diameter to create the equation for a circle.
• #### Equation of a Circle - Problem 3

##### Math›Trigonometry›Pythagorean Theorem
How to write the equation of a circle given the center and a point on the circle.
• #### Equation of a Circle - Problem 1

##### Math›Geometry›Pythagorean Theorem
How to write the equation of a circle given the center and a point on the circle.
• #### Equation of a Circle - Problem 3

##### Math›Geometry›Pythagorean Theorem
How to write the equation of a circle given the center and a point on the circle.
• #### Chords and a Circle's Center - Problem 1

##### Math›Geometry›Circles
How to find the length of two chords where the length of the perpendicular bisectors are given.
• #### The Circle - Problem 2

##### Math›Precalculus›Conic Sections
How to find the center and radius of a circle given an equation.
• #### Area of Circles - Concept

##### Math›Geometry›Area
How to derive the formula to calculate the area of a circle.
• #### Parametrizing a Circle - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to write the parametric equations of a circle centered at (0,0) with radius r, oriented counter-clockwise.
• #### Parts of a Circle - Concept

##### Math›Geometry›Geometry Building Blocks
How to define a circle and identify its main parts.