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# Math in the News: 1/12/12

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In this issue we look at the Burj Khalifa Tower.

For more media resources, go to http://www.media4math.com.

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### Transcript of "Math in the News: 1/12/12"

1. 2. Burj Khalifa Tower <ul><li>Click on this video link to get a view of the Tower from different perspectives. Make a note of what the base of the tower looks like. </li></ul>http://youtu.be/16BFrEBZQS4
2. 3. Burj Khalifa Tower <ul><li>This is an overhead view of the base of the Tower. You can see three main wings to the structure. </li></ul>
3. 4. Burj Khalifa Tower <ul><li>This design was inspired by this desert flower, a relative of the tiger lily. You can see two congruent forms similar to the base of the tower. </li></ul>
4. 5. Burj Khalifa Tower <ul><li>Like the flower, the Tower has rotational symmetry. If you rotate the shape 120°, you end up with the same shape you started with. </li></ul>
5. 6. Burj Khalifa Tower <ul><li>We can overlay a hexagon over the flower. The hexagon also has rotational symmetry. </li></ul>
6. 7. Burj Khalifa Tower <ul><li>Here you can see that if you rotate the hexagon 60°, you end up with the same shape. (We’ve highlighted one of the hexagon sides to more easily see the rotation.) </li></ul>
7. 8. Burj Khalifa Tower <ul><li>The Burj Khalifa is in the United Arab Emirates, an Islamic country. Throughout its history, Islamic art uses hexagons and other composite shapes with rotational symmetry. </li></ul>
8. 9. Burj Khalifa Tower <ul><li>Go to to Google Maps to become more familiar with the Burj Khalifa Tower. Look at the views from the Tower and the various views of the Tower. </li></ul>
9. 10. Burj Khalifa Tower <ul><li>Using the metaphor of the flower, the Burj Khalifa is a desert bloom, a symbol of a vibrant economy in the Arabian Peninsula. </li></ul>
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