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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Kiss

At a dinner party, the speaker who was the guest of honor, was about to deliver his speech when his wife sitting at the other end of the table, sent him a piece of paper with the word “KISS” scribbled on it.
A guest seated next to the speaker said, “Your wife has sent you a KISS before you begin your speech. She must love you very much.” speaker replied, “You don't know my wife. The letters stand for “Keep It Short, Stupid.”

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Sergey Pavlovich Korolev

Died 14 Jan 1966 at age 59 (born 12 Jan 1907).Soviet rocket engineer whodesignedguided missiles, rockets, and spacecraft. He was one of the founders of Moscow Group for the Study of Reactive Motion. In 1933, he participated in the Soviet Union's first launch of a liquid-propellant rocket. Because he was not a member of the Communist Party, he spent much of his life under house arrest. After demonstrating his expertise in the modification of captured V2 rockets, Korolev directed the design, testing, construction, and launching of the Vostok spacecraft, and most of the U.S.S.R.'s other projects. Around 1958, Korolev argued for the pursuit of manned space flight instead of military reconnaissance satellites. After much debate, the Vostok project was approved provided the launch vehicle could also be useful to the military.
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