292 Videos for "circles"

The Circle  Problem 10
Math › Precalculus › Conic Sections
How to write the equation for a line that is tangent to a circle. 
Parts of a Circle  Problem 1
Math › Geometry › Geometry Building Blocks
How to classify arcs and define chords and tangents. 
The Circle  Problem 11
Math › Precalculus › Conic Sections
How to transform a general form circle to standard form by completing the square. 
The Circle  Problem 5
Math › Precalculus › Conic Sections
How to find the center and midpoint of a circle from the endpoints of the diameter. 
Regions Between Circles and Squares  Problem 2
Math › Geometry › Area
How to calculate the area of a region formed by four quarter circles inside a square. 
Radii to Tangents  Problem 3
Math › Geometry › Circles
How to calculate the length of a segment drawn from the center of a circle to a point outside the circle, given the length of the tangent segment to that circle. 
The Circle  Problem 5
Math › Algebra 2 › Conic Sections
How to find the center and midpoint of a circle from the endpoints of the diameter. 
The Circle  Problem 11
Math › Algebra 2 › Conic Sections
How to transform a general form circle to standard form by completing the square. 
The Circle  Problem 10
Math › Algebra 2 › Conic Sections
How to write the equation for a line that is tangent to a circle. 
Similar Triangles in Circles and Right Triangles  Problem 1
Math › Geometry › Similarity
How to find missing side lengths of triangles in a circle. 
The Circle  Problem 7
Math › Algebra 2 › Conic Sections
How to write the equation for a circle from the endpoints of the diameter. 
The Circle  Problem 6
Math › Algebra 2 › Conic Sections
How to write the equation of a circle from a given radius and center. 
Parametrizing a Circle  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find parametric equations of a circle centered at (3,4) with radius 5, oriented counterclockwise. 
Similar Triangles in Circles and Right Triangles  Concept
Math › Geometry › Similarity
How to determine if two triangles in a circle are similar and how to prove that three similar triangles exist in a right triangle with an altitude. 
Area and Perimeter of Circles  Concept
Math › PreAlgebra › Introductory Geometry
Vocabulary and formulas for the area of a circle 
Area of Circles  Problem 3
Math › Geometry › Area
How to calculate the area in a problem where a rope or leash is tied to an object. 
Area and Perimeter of Circles  Problem 1
Math › PreAlgebra › Introductory Geometry
Exact and decimal approximations for the area and circumference of circles 
Regions Between Circles and Squares  Problem 1
Math › Geometry › Area
How to calculate the area of a region formed by four circles inside a square. 
Circle Tic Tac Toe Fun  Concept
Math › Algebra 2 › Additional Topics
How to beat your teacher at circle tac tac toe. 
Area and Perimeter of Circles  Problem 2
Math › PreAlgebra › Introductory Geometry
Area of composite shape involving circles in a real life problem