Math/Lucca
Published on Nov 22, 2015
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PRESENTATION OUTLINE
MATH HUNT
ALL THESE IMAGES WERE TAKEN IN LUCCA, ITALY
TASK: FIND 5 MATHEMATICAL IMAGES
AND EXPLAIN IT IN 1 SENTENCE!
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Parallel lines
I chose this because the barriers/gates are perfectly 'parallel'. This means that no matter how far they extend, they do not intersect with each other. I found this in the city of Lucca, on an old building.
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Shape: Octagon
A octagon is an 8-sided polygon (a flat shape with straight sides). I found this stop sign in Lucca on the streets!
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Sequence/ Pattern:
This image represents sequence.the continuous series of patterns that follow exactly the same way. I found this on the St. Martin Cathedral, located in Lucca.
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360*: A shape (circle)
This was on a city bike , in Lucca. It shows that it is 360*, full circle with no angles. Radius is a line passing from a point of the circumference to the center. The diameter is the double of radius.
The circumference is calculated, by doing "radius x 6.28"
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Semi-Circle: Arch
This is a Semi-Circle that us 180*, half a circle. It is formed by cutting a whole circle along a diameter line.
For calculating its area we have to do "(3.14 x radius^2) / 2"
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Symmetry
This means it is made it is made up of exactly similar parts facing each other, so if you fold it, they would match perfectly together. This was a church we visited again in Lucca
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