110 Videos for "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. 
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. 
Angle Bisectors and Opposite Side Ratios  Problem 1
Math › Geometry › Similarity
How to find a missing length created by a median in a triangle using a proportion. 
Angle Bisectors and Opposite Side Ratios  Problem 2
Math › Geometry › Similarity
How to find a missing length, given the length of the opposite side in a triangle. 
Ratios and unites  Problem 3
Math › PreAlgebra › Fractions and MIxed Numbers
Reading a table to create ratios and change ratios with new data 
Ratios and unites  Problem 1
Math › PreAlgebra › Fractions and MIxed Numbers
Writing a ratio in three different forms 
Ratios and unites  Problem 2
Math › PreAlgebra › Fractions and MIxed Numbers
Using ratios for dimensional analysis 
Ratios and unites  Concept
Math › PreAlgebra › Fractions and MIxed Numbers
Definitions and notation of ratios, and when we use them 
Circumference  Concept
Math › Geometry › Circles
How to calculate the circumference of a circle. 
Solving Proportions  Concept
Math › Geometry › Similarity
How to solve a simple proportion. 
Proportions  Concept
Math › Algebra › Solving Equations
How to solve proportions. 
Circumference  Problem 2
Math › Geometry › Circles
How to find the radius of a circle given circumference. 
Probability  Problem 3
Math › PreAlgebra › Introductory Statistics
Geometric probability is the ratio of areas 
The Law of Sines  Concept
Math › Geometry › Basic Trigonometry
How to define the law of sines. 
The Law of Cosines  Concept
Math › Geometry › Basic Trigonometry
How to define and use the law of cosines. 
The Law of Sines  Concept
Math › Trigonometry › Basic Trigonometry
How to define the law of sines. 
Proportions  Problem 3
Math › Algebra › Solving Equations
How to solve word problems involving proportions. 
Proportions  Problem 1
Math › Algebra › Solving Equations
How to solve proportions when x is in the numerator. 
Circumference  Problem 3
Math › Geometry › Circles
How to find the perimeter of a figure that appears to be a track.