# 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
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### 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