Geometry
14 videos • 261 views • by Proved
1
Proving the Inverse Pythagorean Theorem
Proved
Download
2
Boomerang
Proved
Download
3
Euclid in Right Triangles
Proved
Download
4
Slopes of Perpendicular Lines
Proved
Download
5
Law of Sines PROVED
Proved
Download
6
Law of Cosines PROVED
Proved
Download
7
A Nice Geometric Way to Find tan(15) EXACTLY
Proved
Download
8
A Nice Geometric Pythagorean Theorem PROOF
Proved
Download
9
cos(a-b) Formula DERIVED
Proved
Download
10
Area of a Circle Formula PROVED (with calculus)
Proved
Download
11
How al-Biruni Calculated the Radius of the Earth
Proved
Download
12
Area of an Equilateral Triangle PROOF
Proved
Download
13
Stewart's Theorem
Proved
Download
14
Distance Formula 1, 2, 3, N Dimensions
Proved
Download