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
Jacques BabinetDied 21 Oct 1872 at age 78 (born 5 Mar 1794).French physicist who was the first to proposed the definition of the unit of length in terms of the wavelength of a spectral line. The red line in the spectrum of cadmium was chosen, and the angstrom was redefined as a fraction of this value.. He established a principle in diffraction theory (1837) that is named after him. The Babinet compensator was his invention to measure the polarization of light.« |