Find the area of the shaded ...
Find the area of the shaded octagon (A=?, a=1999) and express result to the accuracy of 3 decimal.Correct answers: 22
The first user who solved this task is Allen Wager.
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Lewis MumfordDied 26 Jan 1990 at age 94 (born 19 Oct 1895). American architectural critic, urban planner, and historian who analyzed the effects of technology and urbanization on human societies throughout history. |