Distance Formula 

This geometry video tutorial provides a basic introduction into how to use the distance formula to calculate the distance between two points. It also explains how to solve word problems such as how to calculate the area of a circle given the coordinates of the center and a point on the circle using the distance formula. This geometry video tutorial contains plenty of examples and practice problems.
Polygons:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-E_-3ulbtcLk.html
Quadrilaterals:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ogcH3eM5beM.html
Points, Lines, Planes, & Segments:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-dDWjhRfBsKM.html
Similar Triangles:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-YiFwvAFk-xs.html
Pythagorean Theorem:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-d8EA5TxGzcY.html
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Distance Between 2 Points - 3D:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-0c6cP2zLC2c.html
Special Right Triangles - 30 60 90:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-p70UBGCHZrQ.html
Special Right Triangles - 45 45 90:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-xzMirNSv1d0.html
Trigonometric Ratios:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-9-eHMMpQC2k.html
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Angle of Elevation Word Problems:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-uyKvSe6Ltgs.html
Finding The Missing Side of a triangle:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-tielQ3ejh70.html
Finding The Missing Angle of a Triangle:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-4Dv5IFqATrc.html
Two Triangle Trigonometry Problems:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-OTP885mApV8.html
How To Find The Area of a Rectangle:
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-M8JdRHeQBW8.html
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