Find the area of the shaded figure
Express result to the accuracy of 2 decimal.Correct answers: 58
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
Shutter patentIn 1883, black American inventor J. Cooper was issued a patent for his invention, "Shutter and Fastening" (No. 276,563). In the next few years, he also patented elevator devices. |