Find the area of the shaded figure
Express result to the accuracy of 2 decimal.Correct answers: 39
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
Black American patentIn 1897, black American inventor P. Walker was issued a U.S. patent for his invention of a "Machine for Seeding Cotton" (No. 577,153). The following year, on 8 Mar 1898, he received another patent for his invention of a "Bait Holder" (No. 600,241) |