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Image of one of the largest circles in the world

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Image of one of the largest circles in the world

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Circle at the base of a historic monument in Bangladesh

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Circle at the base of a historic monument in Bangladesh

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The circle is a universal symbol, it is present in all cultures and has several meanings, in geometry it is related to perfection, totality and unity. It represents the universe, the sun and the moon, it is infinite and they are cycles of life.

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In the Churches we can see windows in the shape of a circular rose window for the entry of light.

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The Ferris wheel is a clear example of the use of the circle in artifacts created by humans.

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This is an artistic movement that began in 1968 with a very clear purpose: to reflect the relationship that humans have with nature, managing to transmit some emotion to the viewer.

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In the vaults we can see the use of the circle both in the structure and in an ornamental way.

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In painting there are numerous examples of the use of circles in composition, such as in this beautiful work by Van Gogh.

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To make an igloo, very hard snow is needed. First, it is determined where the igloo will be built. The next step is to cut snow bricks that are about one meter long, 40 centimeters wide and 20 centimeters long. The snow bricks are placed next to each other to form a circle about two meters in diameter. The three bricks that complete the first layer of the walls are cut in a way that creates a slope. In this way, as the bricks are stacked on top of each other, it becomes easier to give the walls a dome shape. While the bricks are being placed, the gaps and cracks between them must be thoroughly covered with snow from both the inside and outside. Then, air holes are opened in the wall. Finally, the brick that will be placed on top of the dome is shaped. This brick must be cut to fit the hole exactly and carefully placed in place.

The temperature of an igloo is +4 degrees. However, the body temperature of the people inside can increase the temperature of the igloo to 16-17 degrees.

Zeynep

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The Galata Tower is a historic tower located in the Beyoğlu district of Istanbul. It was first built in the 14th century by the Genoese colony. The tower has a cylindrical body made of stone and a pointed conical roof. It is 67 meters tall and shows influences from Byzantine and Medieval European architecture. Over the years, it was used as a watchtower, prison, and fire observation point. Today, it is a popular tourist attraction.

Esra

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Göbeklitepe is the world's oldest known temple site, located in Şanlıurfa and dating back to around 9600-9500 BCE. It features large stone pillars arranged in circular structures. Adorned with human figures and animals, these structures were built before the transition to settled agricultural life and provide valuable insights into early human history. Göbeklitepe was added to the UNESCO World Heritage List in 2018.

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The Leaning Tower of Pisa, located in Pisa, Italy, is one of the most famous landmarks in the world. It was built as the bell tower of Pisa Cathedral in 1173, but during construction, the tower began to lean due to the soft and unstable ground underneath. The tower is 56 meters tall and has an inclination of about 4 degrees, which makes it unique. Despite its tilt, the structure remained stable for centuries, thanks to various restoration projects. Today, the Leaning Tower of Pisa is a UNESCO World Heritage Site and a popular tourist destination, attracting millions of visitors each year who come to admire its unique architecture and take iconic photos.ü

Gulva

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Montreal Biosphere is a famous building in Montreal, Canada, designed by architect Buckminster Fuller. It was built in 1967 for the Expo 67 World Fair and was used as the United States Pavilion. In 1976, a fire damaged the outer part of the dome, but the steel structure stayed strong. Today, the Biosphere is a museum about the environment. It has exhibitions on climate change, sustainability, and environmental protection. The Montreal Biosphere is an important example of modern architecture and helps people learn more about protecting nature.

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Second work with circles in inspiration of kandinsky's art.

Also made in Geogebra.

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Free online apps bundle from GeoGebra: get graphing, geometry, algebra, 3D, statistics, probability, all in one tool!

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Darius Garabajiu https://www.geogebra.org/calculator/kefzvymu

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Interactive, free online calculator from GeoGebra: graph functions, plot data, drag sliders, create triangles, circles and much more!

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Circles and semicircles

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Emir

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Circles and semicircles

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https://www.geogebra.org/m/mxsntedh

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Blîndu Andreea

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Inspiration of a Kandinsky painting using circles. Made in Geogebra.

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Circles and semicircles

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Wassily Kandinsky was an artist, art theorist and founder of abstractionism. He overturned the concepts of classical painting and left his name written in golden letters in the history of art. His paintings are exhibited in museums around the world, and his creative legacy is worth millions of dollars.

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Known for her sketching workshops, Serap Ekizler Sönmez's book "Ottoman Architecture from My Sketch Notebooks" was recently published, which will fill in this important gap on how the Ottoman Thought System developed, especially in the field of architecture, from dome sizes to interior pattern lines, from minarets to the transformations of geometric patterns.

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The Colosseum is made of travertine limestone, tuff (volcanic rock) and brick-covered concrete. The Colosseum has been able to seat approximately 50,000 to 80,000 spectators at various points in its history. Emperors would organize very brutal entertainments, such as gladiator fights, here to entertain the Roman people and also for their own entertainment.

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The largest Apple product ever made is not something you'll be able to take home to enjoy, but it is something to behold. Apple Park is the company's second campus built in Cupertino, California, and it was one of the final products pitched by the late CEO, Steve Jobs. The massive ring-shaped building is now an iconic symbol of Apple's dedication to design, green energy, and the future of technology.