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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These two guys had both just g...

These two guys had both just got divorced and they swore they would never have anything to do with women again. They were best friends and they decided to move up to Alaska as far north as they could go and never look at a woman again.
They got up there and went into a trader's store and told him, "Give us enough supplies to last two men for one year."
The trader got the gear together and on top of each one's supplies he laid a board with a hole in it with fur around the hole.
The guys asked "What's that board for?"
The trader said, "Well, where you're going there are no women and you might need this."
They said, "No way! We've sworn off women for life! Women are nothing but trouble."
The trader said, "Well, take the boards with you, and if you don't use them I'll refund your money next year.
"Okay," they said and left.
The following year this guy came into the trader's store and said
"Give me enough supplies to last one man for one year."
The trader said "Weren't you in here last year with a partner?"
"Yeah," said the guy.
"Where is he?" asked the trader.
"I shot him," said the guy.
"Why?"
"I caught him in bed with my board!"
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Sergey Pavlovich Korolev

Born 12 Jan 1907; died 14 Jan 1966 at age 59.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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