161 Videos for "right"

Angles: Types and Labeling  Problem 1
Math › Geometry › Geometry Building Blocks
How to define congruent angles and how to label adjacent angles. 
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. 
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. 
Parallel and Perpendicular Lines  Problem 5
Math › Algebra › Linear Equations and Their Graphs
Using slopes to determine whether or not three coordinates determine a right triangle 
Pythagorean Theorem Proofs  Concept
Math › Trigonometry › Pythagorean Theorem
How to prove the Pythagorean Theorem using Algebra to show the area of the smaller square plus the area of four triangles is equal to the area of the larger square. 
Pythagorean Theorem Proofs  Concept
Math › Geometry › Pythagorean Theorem
How to prove the Pythagorean Theorem using Algebra to show the area of the smaller square plus the area of four triangles is equal to the area of the larger square. 
306090 Triangles  Problem 2
Math › Trigonometry › Pythagorean Theorem
How to find the short leg and hypotenuse in a 306090 triangle given the long leg. 
306090 Triangles  Concept
Math › Trigonometry › Pythagorean Theorem
How to find the legs and hypotenuse in 306090 triangles when given: the short leg, the long leg, or the hypotenuse. 
306090 Triangles  Problem 4
Math › Trigonometry › Pythagorean Theorem
How to find the area of an equilateral triangle given only a side length. 
306090 Triangles  Problem 3
Math › Trigonometry › Pythagorean Theorem
How to find the short leg and long leg in a 306090 triangle given the hypotenuse. 
The Definitions of Sine and Cosine  Concept
Math › Trigonometry › Trigonometric Functions
How we define sine and cosine for all angle measures using the unit circle. 
The Definitions of Sine and Cosine  Concept
Math › Precalculus › Trigonometric Functions
How we define sine and cosine for all angle measures using the unit circle. 
Intervals of Increase and Decrease  Problem 3
Math › Calculus › Applications of the Derivative
How to show that the limit does not exist by showing that the lefthand limit does not equal the righthand limit. 
306090 Triangles  Problem 4
Math › Geometry › Pythagorean Theorem
How to find the area of an equilateral triangle given only a side length. 
306090 Triangles  Problem 2
Math › Geometry › Pythagorean Theorem
How to find the short leg and hypotenuse in a 306090 triangle given the long leg. 
306090 Triangles  Concept
Math › Geometry › Pythagorean Theorem
How to find the legs and hypotenuse in 306090 triangles when given: the short leg, the long leg, or the hypotenuse. 
306090 Triangles  Problem 3
Math › Geometry › Pythagorean Theorem
How to find the short leg and long leg in a 306090 triangle given the hypotenuse. 
Limits: A Graphical Approach  Concept
Math › Calculus › Limits and Continuity
How to determine onesided and twosided limits from the graph of a function. 
454590 Triangles  Concept
Math › Trigonometry › Pythagorean Theorem
How to find the length of a leg or hypotenuse in a 454590 triangle using the Pythagorean Theorem. 
454590 Triangles  Problem 2
Math › Trigonometry › Pythagorean Theorem
How to find the length of a leg in a 454590 given the hypotenuse.