Find the area of the shaded figure
Express result to the accuracy of 2 decimal.Correct answers: 119
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
Black American patentIn 1874, a U.S. patent for a "Steam Lubricator" was issued to the prolific Black American inventor, Elijah J. McCoy (No. 146,697). |