Find the area of the shaded figure
Express result to the accuracy of 3 decimal.Correct answers: 51
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
First U.S.-built printing pressIn 1821, Samuel Rust of New York City patented the Washington press, the first, practical and successful printing press to be built in America. A previous invention, in 1816, by George E Clymer, the Columbian Press had not been widely adopted in the U.S., and Clymer had taken his business to England. |