Sure! Here's the cleaned-up description without any links: --- Subscribe! Want more math video lessons? Visit my website to view all of my math videos organized by course, chapter, and section. The ...

A triangle is a polygon. It is a closed 3-sided shape made up of straight lines. The ‘tri-’ part of the word triangle means three. A triangle has 3 sides and 3 angles. Interior angles are the angles ...

Image courtesy of McGraw Hill. Imagine learning how to determine the slope of a right triangle by sending your own tiny skier down ski trails or by setting up skateboard ramps for a virtual skater to ...