# Triangles Lessons 00:05:21
• MrRutter
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### Triangles and Angles

• Learn how to use your knowledge of angle measures in a triangle to solve for unknown angles. 00:06:51
• MrRutter
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### Types of Triangles

• Learn all about triangles -- their classifications and properties, and how to solve problems with... 00:03:55

### Use Cosine to Find Missing Length of Triangle

• Find the missing length of a triangle using the cosine function 00:04:41

### Use Sine to Find Missing Length of Triangle

• Find the missing length of a triangle using the sine function ### Use Sine to Find Missing Length of Triangle

• Find the missing length of a triangle using the sine function ### Use Trig Identities to Find Missing Values of Triangle

• Use your trig identities to find the missing values of a triangle ### Using Trig Functions to find Values of Triangle

• Using trig functions to find the values of a triangle ### When do you Have 2 Solutions for an Oblique Triangle

• How to determine when you have two solutions for an oblique triangle ### Word Problems for Finding Lengths of a Triangle

• Solving word problems lengths of a triangle