## Golden Rectangles All Around

Golden Ratio 1.61803
 Golden Ratio Table of Contents Introduction Find golden rectangles. Build golden rectangles. Confirm the ratio using algebra.

#### 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).

Rank

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Item Measured Length(cm) Width(cm) Ratio(L:W)
TV screen
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Calculator
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Math Textbook
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`  `
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Notebook paper
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`  `
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\$1 Bill
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`  `
`  `

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)
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`  `
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#### 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.