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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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Smallpox inoculations in U.S.

In 1721, the first smallpox inoculations in America were given in Boston by Dr. Zabdiel Boylston when a smallpox epidemic struck Boston, Mass. Reverend Cotton Mather, who lived in Boston, had previously heard from a slave of the practice being used in Africa. Of all the doctors Mather had urged to try it, Zabdiel Boylston, was the first doctor courageous enough to use the procedure.

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