Find the area of the black region
[2917] Find the area of the black region - Find the area of the black region accurate up to 3 decimal places. (A=?, a=20, b=10) - #brainteasers #math #riddles - Correct Answers: 39 - The first user who solved this task is Sanja Šabović
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Find the area of the black region

Find the area of the black region accurate up to 3 decimal places. (A=?, a=20, b=10)
Correct answers: 39
The first user who solved this task is Sanja Šabović.
#brainteasers #math #riddles
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Dining Companion

A man and a beautiful woman were having dinner in a fine restaurant. Their waitress (taking another order at a table a few paces away) suddenly noticed that the man was slowing
sliding down his chair and under the table, but the woman acted unconcerned.
The waitress watched as the man slid all the way down his chair and out of sight under the table.
Still, the woman dining across from him appeared calm and unruffled, apparently unaware that her dining companion had disappeared.
After the waitress finished taking the order, she came over to the table and said to the woman, "Pardon me, ma'am, but I think your husband just slid under the table.
The woman calmly looked up at her and replied, "No he didn't. He just walked in the door."

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Clyde E. Wiegand

Born 23 May 1915; died 5 Jul 1996 at age 81.American physicist who worked on the Manhattan Project (which produced the atomic bomb during WW II). In the 1950's, he was part of a team that discovered the antiproton, using the bevatron particle accelerator at Lawrence Berkeley National Laboratory. Although two other members of the research team (Owen Chamberlain and Emilio Segrè) won the 1959 Nobel Prize in Physics for this work, Wiegand's crucial contribution was not so recognized.
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