292 Videos for "circles"

Locus and Definition of a Circle and Sphere  Problem 1
Math › Geometry › Circles
How to find the locus of points that are equidistant from the endpoints of a segment. 
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 1
Math › Precalculus › Conic Sections
How to find the equation for a circle given the center and radius. 
Tangent Segments to a Circle  Problem 2
Math › Geometry › Circles
How to find the measure of an angle formed by a chord drawn to a point of tangency. 
The Circle  Problem 3
Math › Precalculus › Conic Sections
How to find the center and radius of a circle by completing the square. 
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  Concept
Math › Precalculus › Conic Sections
How to use the distance formula to derive the equation for a 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  Concept
Math › Algebra 2 › Conic Sections
How to use the distance formula to derive the equation for a circle. 
The Circle  Problem 2
Math › Precalculus › Conic Sections
How to find the center and radius of a circle given an equation. 
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. 
The Circle  Problem 2
Math › Algebra 2 › Conic Sections
How to find the center and radius of a circle given an equation. 
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. 
Area of Circles  Concept
Math › Geometry › Area
How to derive the formula to calculate the area of a circle. 
Parts of a Circle  Concept
Math › Geometry › Geometry Building Blocks
How to define a circle and identify its main parts. 
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 counterclockwise. 
Cyclic Quadrilaterals and Parallel Lines in Circles  Concept
Math › Geometry › Circles
How to prove that opposite angles in a cyclic quadrilateral are congruent; how to prove that parallel lines create congruent arcs in a circle. 
The Circle  Problem 9
Math › Precalculus › Conic Sections
How to write the equation for a circle from the center and one point on the circle.