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### Math puts class into architecture

November19

The link between Mathematics and architecture goes back to ancient times. Pyramids and temples were some of the earliest examples of mathematical principles at work. Today, Mathematics continues to feature prominently in building design. Thanks to modern technology, architects can explore a variety of exciting design options based on complex mathematical formulae, allowing them to build groundbreaking forms. For example, the buddhist temple (pictured below) is based on the mobius strip – an unusual design that uses two sided shapes to create a single-sided “twisted” shape. Click on this design to see some other amazing buildings, all based on mathematical shapes, many of which are studied in middle and high school.
You can practice making your own mobius strip by following these steps. For more mobius ideas click here.

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NCEA Level 2 Algebra Problem. Using the information given, the shaded area = 9, that is:
y(y-8) = 9 –> y.y – 8y – 9 =0
–> (y-9)(y+1) = 0, therefore y = 9 (can’t have a distance of – 1 for the other solution for y)
Using the top and bottom of the rectangle,
x = (y-8)(y+2) = (9-8)(9+2) = 11
but, the left side = (x-4) = 11-4 = 7, but rhs = y+? = 9+?, which is greater than the value of the opp. side??
[I think that the left had side was a mistake and should have read (x+4)?]