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
Oil wellIn 1859, “Colonel” Edwin L. Drake drilled the first successful oil well in the United States, near Titusville, Pennsylvania. The drilling had reached 69 feet 6 inches, when a dark film floating on the water below the derrick floor was noticed. |