2003 AIME II Problem 7 Area of rhombus from circumradii of triangles
Rhombus Diagonals Proof that the diagonals of a rhombus are perpendicular bisectors of each other
Triangle Medians and Centroids (2D Proof) Showing that the centroid is 2/3 of the way along a ...
Triangle Medians and Centroids Seeing that the centroid is 2/3 of the way along every median
Area of Diagonal Generated Triangles of Rectangle are Equal Area of Diagonal Generated ...
Right Triangles Inscribed in Circles (Proof) Proof showing that a triangle inscribed in a ...
Futures Introduction Futures Introduction
Area of Inscribed Equilateral Triangle (some basic trig used) Problem that requires us to ...
Inscribed and Central Angles Showing that an inscribed angle is half of a central angle that ...
Forward Contract Introduction Forward Contract Introduction
Part 2 of the Proof of Heron's Formula Showing that the expression in part 1 is identical to ...
Option Expiration and Price Option Expiration and Price
Part 1 of Proof of Heron's Formula Part 1 of the proof of Heron's Formula
Heron's Formula Using Heron's Formula to determine the area of a triangle while only knowing ...
Actual Option Quotes Actual Option Quotes
Cylinder Volume and Surface Area Finding the volume and surface area of a cylinder
Put-Call Parity Clarification Put-Call Parity Clarification
Solid Geometry Volume Volume of triangular prisms and cubes
Put-Call Parity Arbitrage II Put-Call Parity Arbitrage II
30-60-90 Triangles II More examples using 30-60-90 triangles.
Put-Call Parity Arbitrage I Put-Call Parity Arbitrage I
Intro to 30-60-90 Triangles A few more 45-45-90 examples and an introduction to 30-60-90 ...
Arbitrage Basics Arbitrage Basics
45-45-90 Triangles Introduction to 45-45-90 Triangles