44 Videos for "proportions"

Calculating Percents  Concept
Math › PreAlgebra › Decimals and Percents
Solving percent problems using proportions 
Percents  Problem 3
Math › Algebra › PreAlgebra
How to solve "x% of what is ?" 
Percents  Problem 2
Math › Algebra › PreAlgebra
How to solve "What percent of x is ?" 
Secants  Problem 3
Math › Geometry › Circles
How to find the length of intersecting secant segments. 
Secants  Problem 2
Math › Geometry › Circles
How to find angle and arc measures formed by intersecting secants and tangents. 
Indirect Variation  Concept
Math › Algebra 2 › Functions
How to define indirect variation. 
Percents  Problem 1
Math › Algebra › PreAlgebra
How to solve "What is x percent of?" 
Secants  Problem 1
Math › Geometry › Circles
How to find the angle measures formed by intersecting secants. 
Similarity Shortcuts  Concept
Math › Geometry › Similarity
How to determine if two triangles are similar using a shortcut. 
Similarity Shortcuts  Problem 1
Math › Geometry › Similarity
How to find a missing side of a triangle using the AA similarity shortcut. 
Similarity Shortcuts  Problem 2
Math › Geometry › Similarity
How to find a missing side of a triangle using the SAS similarity shortcut. 
Indirect Variation  Problem 1
Math › Algebra 2 › Functions
How to solve an indirect variation problem using variables. 
Secants  Problem 4
Math › Geometry › Circles
How to fin the length of secant segments drawn from points outside a circle. 
Solving Singlestep Equations  Problem 7
Math › Algebra › Solving Equations
How to solve proportions when the variable is in the numerator of a fraction 
Similarity Shortcuts  Problem 3
Math › Geometry › Similarity
How to determine if two triangles are similar using a shortcut. 
Solving a Rational Equation  Problem 5
Math › Algebra 2 › Rational Expressions and Functions
Turning sums and differences into proportions to enable cross multiplication. 
Proportional Segments Between Parallel Lines  Concept
Math › Geometry › Similarity
How to prove two triangles are similar using a line parallel to a base. 
Angle Bisectors and Opposite Side Ratios  Concept
Math › Geometry › Similarity
How to relate the sides of an angle bisected and the lengths of the opposite side. 
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.