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Can you find out the number ...

Can you find out the number of triangles present in the given image?

Correct answers: 66

The first user who solved this task is Sanja Šabović.

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Nails patent

In 1795, Jacob Perkins, of Newburyport, Massachusetts, was awarded a U.S. patent for a machine for cutting and heading nails. It was the second year of President George Washington's second term. In 1795, he was issued a patent for an improved nail machine. He established a nail maufacturing business on the Powwow River in Amesbury, Mass. He eventually held 21 American patents, and 19 more in England.

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