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Find the area of the shaded figure

Express result to the accuracy of 3 decimal.

Correct answers: 22

The first user who solved this task is Djordje Timotijevic.

#brainteasers #math

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Guess Who Knows The State Capitals?

A dumb blonde was bragging about her knowledge of the state capitals of the United States. She proudly announced, "go ahead, ask me any of the capitals, I know all of them."
A red head said, "O.K., what's the capital of Wyoming?" The blonde replied, "Oh, that's easy, 'W'."

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Herman Haupt

Born 26 Mar 1817; died 14 Dec 1905 at age 88.American civil engineer, manufacturer and inventor, known especially for his work on the Hoosac Tunnel in Massachusetts. He designed and patented his Haupt Truss configuration in 1839. His greatest achievement came as Chief of construction and transportation for the military railroad system for the Union Army in the Civil War. Haupt supervised the rebuilding of bridges, restoration of track, integration of the railroad network, and the scheduling of shipments, He facilitated the rapid movement of troops and supplies that gave the Federal government a vitally important strategic advantage over the Confederacy. The systemization of the military railroads also provided an impetus for their postwar unification.

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