18 Videos for "proportional"

Proportional Segments Between Parallel Lines  Concept
Math › Geometry › Similarity
How to prove two triangles are similar using a line parallel to a base. 
Proportional Segments Between Parallel Lines  Problem 1
Math › Geometry › Similarity
How to find a missing length in a triangle cut by a line parallel to a base. 
Proportional Segments Between Parallel Lines  Problem 2
Math › Geometry › Similarity
How to find missing lengths created by two parallel lines passing through a triangle. 
Proportions  Problem 5
Math › Algebra › Solving Equations
Shortcuts for using "mental math" to solve proportional relationships 
Proportions  Problem 7
Math › Algebra › Solving Equations
Turning ratio notation with a colon into a fractional representation of a proportional word problem 
Similar Triangles  Concept
Math › PreAlgebra › Introductory Geometry
Overview of similarity: congruent angles, proportional corresponding sides 
Direct Variation  Concept
Math › Algebra 2 › Functions
How to define direct variation. 
Constructing the Centroid  Problem 1
Math › Geometry › Constructions
How to construct the centroid of a triangle. 
Properties of Similar Polygons  Concept
Math › Geometry › Similarity
How to identify if two figures are similar. 
Direct Variation  Problem 1
Math › Algebra 2 › Functions
How to solve a direct variation problem using variables. 
Direct Variation  Problem 4
Math › Algebra › Linear Equations and Their Graphs
How to determine whether or not a relationship is direct variation or proportional 
Constructing the Centroid  Concept
Math › Geometry › Constructions
How to identify the centroid and the way it divides each of the medians. 
Survey and sample methods  Problem 3
Math › PreAlgebra › Introductory Statistics
Use a sample statistic and proportional reasoning to find a population parameter 
Properties of Similar Polygons  Problem 2
Math › Geometry › Similarity
How to find missing sides of similar triangles that share a side. 
Corresponding Parts of Similar Triangles  Concept
Math › Geometry › Similarity
How to relate corresponding altitudes, medians and angle bisectors in similar triangles. 
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. 
Direct Variation  Problem 2
Math › Algebra 2 › Functions
How to solve an applied direct variation problem. 
Properties of Similar Polygons  Problem 1
Math › Geometry › Similarity
How to identify if two quadrilaterals are similar, given three angles and four sides.