151 Videos for "length"

Secants  Problem 4
Math › Geometry › Circles
How to fin the length of secant segments drawn from points outside a circle. 
Tangent Segments to a Circle  Concept
Math › Geometry › Circles
How to find the length of tangent segments drawn to a circle from the same point. 
Perimeter  Problem 1
Math › Geometry › Geometry Building Blocks
How to calculate the side length of a rectangle given the perimeter and a different side. 
Simplifying Radical Expressions  Problem 3
Math › Algebra › Radical Expressions and Equations
Simplifying radicals in the context of using the Pythagorean Theorem to find a missing side length of a right triangle. 
Triangle Side Inequalities  Problem 2
Math › Geometry › Triangles
How to determine the range of possible values for the third side of a triangle when given values of the other two. 
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. 
Area of Regular Polygons  Problem 4
Math › Geometry › Area
How to find the area of a regular hexagon given only the length of the apothem. 
Corresponding Parts of Similar Triangles  Problem 1
Math › Geometry › Similarity
How to find the length of an angle bisector using similar triangles. 
Corresponding Parts of Similar Triangles  Problem 2
Math › Geometry › Similarity
How to find the length of an altitude using similar triangles. 
Similarity and Area Ratios  Problem 3
Math › Geometry › Similarity
How to find the area of similar triangles given one side length and one area. 
Corresponding Parts of Similar Triangles  Problem 3
Math › Geometry › Similarity
How to find the length of a median using similar triangles. 
Similarity and Area Ratios  Problem 1
Math › Geometry › Similarity
How to find the ratio of corresponding lengths given the ratio of areas between similar polygons. 
Area and Perimeter of Rectangles  Problem 1
Math › PreAlgebra › Introductory Geometry
Finding the area and perimeter of parallelograms with integer side lengths 
Trigonometric Ratios: Tangent  Problem 1
Math › Geometry › Basic Trigonometry
How to find the length of a side in a right triangle using the tangent ratio. 
Unit Vectors  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the unit vector that has the same direction as a given vector. 
RFLP  DNA Fingerprinting
Science › Biology › Molecular Biology
The RFLP method of DNA Fingerprinting. 
Similar Triangles  Problem 1
Math › PreAlgebra › Introductory Geometry
Using proportionality to find the missing side length in similar figures 
Trigonometric Ratios: Tangent  Problem 1
Math › Trigonometry › Basic Trigonometry
How to find the length of a side in a right triangle using the tangent ratio. 
Surface Area of Pyramids  Problem 1
Math › Geometry › Area
How to calculate the surface area of a square pyramid, given the side length and height. 
Space Diagonals  Problem 1
Math › Trigonometry › Pythagorean Theorem
How to find the length of the longest object that will fit inside a box.