Find the area of the purple shaded region
Find the area of the purple shaded region. Express result to the accuracy of 3 decimal.Correct answers: 45
The first user who solved this task is Sanja Šabović.
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Mechanical TVIn 1925, the first telecast in the U.S. of objects in motion was invented by Charles Jenkins. He called it "visions by radio." The first mechanical TV system broadcast used 48 scanning lines and showed a model of Dutch windmill with its blades turning. |