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Similar Triangles

906.9K views on YouTube

This math video tutorial discusses similar triangles and how to use proportions to find the missing side and solve for x. This video contains plenty of examples and practice problems.

Polygons: https://www.youtube.com/watch?v=E_-3ulbtcLk

Quadrilaterals:

Skew Lines:

Points, Lines, Planes, & Segments:

Triangles – Basic Introduction:

Number of a Diagonals In a Polygon:

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Ratios and Proportions – Means Extreme:

Similar Triangles:

Similar Triangles – Enlargement Ratios:

Triangle Similarity – SSS, SAS, & AAA:

Triangle Proportionality Theorem:

Altitude on Hypotenuse Theorem:

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Pythagorean Theorem:

The Distance Formula:

Distance Between 2 Points – 3D:

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https://www.video-tutor.net/

Full-Length Videos and Worksheets:
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