Golden ratio

トピック:幾何

In Euclid's Elements, there is an elegant way to divide any segment into golden ratio by straightedge and compass. You can press the "play" button to see the step-by-step construction.

新しい教材

Deriving the Sector Area Formula
Deriving the Arc Length Formula
Right Triangle Inscribed in a Semicircle
Rovnoběžnost rovin
Segment Addition Postulate (Mild Questions)

教材を発見

Slusher Section 5.2.1
Introduction to Transformations
Circle week #1
Kopia av circuit construction
Area between Curves - Riemann Sum

トピックを見つける

単位円
長方形
重心
ベクトル (三次元)
方程式