Golden Rectangles All Around
Golden Ratio 1.61803 
Which things around you are made in the golden ratio? Measure the following with a centimeter measuring tape or stick. (Round measurements to the nearest .5 cm.) Then rank the items from closest (1) to the golden ratio to least close (4).


Item Measured 
Length(cm) 
Width(cm) 
Ratio(L:W) 
TV screen 



Calculator 



Math Textbook 



Notebook paper 



$1 Bill 




Find an item that has a ratio even closer to the golden ratio. List its dimensions and ratio below.
Item Measured 
Length(cm) 
Width(cm) 
Ratio(L:W) 




Challenge Problem
Take an 8 1/2 X 11 inch sheet of paper. Measure and make a golden rectangle by making one straight cut. Give the dimensions of all possible golden rectangles you could cut from this sheet of paper.
On the Web
Geometry Online
Email any comments to lanius@math.rice.eduCopyright 19982008 Cynthia Lanius
