15 videos in "Triangles"

Types of Triangles

Triangles and Angles

Congruent Triangles

SSS, SAS, ASA, & AAS Triangle Congruence

Isosceles Triangles (Part One)

Isosceles Triangles (Part Two)

Triangle Angle Word Problem 1

Triangle Angle Word Problem 2

Triangle Angle Word Problem 3

Triangle Angle Word Problem 4

Triangle Angle Word Problem 5

Word Problems for Finding Lengths of a Triangle

Use Cosine to Find Missing Length of Triangle

Use Sine to Find Missing Length of Triangle

Use Sine to Find Missing Length of Triangle
Isosceles Triangles (Part Two)
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Learn how to find out the angles of a picture of triangles.
 Isosceles Triangle Definition  An explanation of isosceles triangles and what that means for the triangle.
 How do find angles if you have a picture with a bunch of triangles touching each other?
 How do you find the angle measures if you just have a picture with tick marks?
 How do you find angle measures in a picture with isosceles and equilateral triangles bunched together?
 What is each angle measure in an equilateral triangle?
 How many degrees are in a straight line?
 If you know two angles in a triangle, how do you find the third angle?
 If you know one angle in an isosceles triangle, how do you find the other two?
 How do you find angle measures in a diagram if you do not start with any angle measures?
This video finishes off the problem introduced in Part 1 of Isosceles Triangles. This is a rather daunting problem at first glance, and it uses a lot of prior knowledge about angles and isosceles triangles. This is a great wrapup problem to a section on angles and triangles.