136 Videos for "length"

Corresponding Parts of Similar Triangles  Problem 1
Math › Geometry › Similarity
How to find the length of an angle bisector using similar triangles. 
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. 
Constructing the Centroid  Problem 2
Math › Geometry › Constructions
How to find missing lengths in a triangle where the three medians are drawn creating the centroid. 
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. 
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. 
Midpoints and Congruent Segments  Problem 1
Math › Geometry › Geometry Building Blocks
How to use the definition of a midpoint to solve for side lengths. 
Radian Measure of Angles  Problem 1
Math › Trigonometry › Trigonometric Functions
How to measure a central angle of a circle when the radius and the length of the intercepted arc are given. 
Perimeter  Problem 1
Math › Geometry › Geometry Building Blocks
How to calculate the side length of a rectangle given the perimeter and a different side. 
Area of Regular Polygons  Problem 3
Math › Geometry › Area
How to calculate the perimeter of a regular polygon given the area and apothem length. 
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. 
Types of Triangles  Concept
Math › Geometry › Geometry Building Blocks
How to classify a triangle based on its side lengths and angle measures. 
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. 
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. 
Trigonometric Ratios: Sine  Problem 1
Math › Trigonometry › Basic Trigonometry
How to find the sine of two angles in a right triangle given two side lengths. 
Parallelogram Properties  Problem 3
Math › Geometry › Polygons
How to find the lengths of the diagonals in a parallelogram if they are given in terms of a variable. 
Trapezoid Midsegment Properties  Problem 2
Math › Geometry › Polygons
How to find the length of the segments that divide the sides of a triangle into three congruent segments. 
Special Isosceles Triangle Properties  Problem 1
Math › Geometry › Triangles
How to find the measure of a missing length in an isosceles triangle with an altitude. 
Trigonometric Ratios: Sine  Problem 1
Math › Precalculus › Basic Trigonometry
How to find the sine of two angles in a right triangle given two side lengths. 
Trigonometric Ratios: Tangent  Problem 1
Math › Precalculus › Basic Trigonometry
How to find the length of a side in a right triangle using the tangent ratio. 
Trigonometric Ratios: Sine  Problem 1
Math › Geometry › Basic Trigonometry
How to find the sine of two angles in a right triangle given two side lengths.