104 Videos for "radius"

The Circle  Problem 4
Math › Precalculus › Conic Sections
How to use two endpoints of a diameter to create 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  Concept
Math › Precalculus › Conic Sections
How to use the distance formula to derive 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. 
The Circle  Concept
Math › Algebra 2 › Conic Sections
How to use the distance formula to derive the equation for a 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 › 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 1
Math › Geometry › Pythagorean Theorem
How to write the equation of a circle given the center and a point on the circle. 
Surface Area of Spheres  Problem 2
Math › Geometry › Volume
How to calculate the surface area of a sphere given the volume. 
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 of a Segment  Problem 2
Math › Geometry › Area
How to find the area of a segment, given a side in an equilateral triangle. 
Solving Formulas  Problem 2
Math › Geometry › Area
How to solve the area of a sector formula for the radius. 
Area of a Segment  Problem 1
Math › Geometry › Area
How to find the area of a segment, given a leg in a right triangle. 
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. 
Radii to Tangents  Problem 1
Math › Geometry › Circles
How to calculate the central angle formed by radii to tangents that intersect at a point outside the circle. 
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. 
Arc Length  Problem 3
Math › Geometry › Circles
How to find the arc length formed by an inscribed angle given the diameter. 
Surface Area of Spheres  Problem 1
Math › Geometry › Volume
How to calculate the surface area of a hemisphere. 
The Circle  Concept
Math › Precalculus › Equations of Lines, Parabolas and Circles
How to use the distance formula to derive the equation for a circle. 
Radian Measure of Angles  Problem 1
Math › Precalculus › Trigonometric Functions
How to measure a central angle of a circle when the radius and the length of the intercepted arc are given.