Unit 24: Proportionality
CHANGED - Proportion24Intro
GoldenSection0
CHANGED - Area Triangle
CHANGED - Triangle ratio
Proportion theorem
CHANGED - RatioProof
similarity trapesium
similarity 4
Golden rectangle animated gif
GoldenSection
Construct golden section
Click here to open the golden section construction applet:
Golden Rectangles ad infinitum
Click here to open the Ad Infinitum applet:
The Golden Spiral
Make all the circles arcs!!!!!!!
Click here to open the Golden Spiral applet:
Fibonacci.xls
Click here to open the the Fibonacci Excel file:
Nautilus and sunflower
