Find the area of the purple shaded region
[2533] Find the area of the purple shaded region - Find the area of the purple shaded region. Express result to the accuracy of 3 decimal. - #brainteasers #math - Correct Answers: 45 - The first user who solved this task is Sanja Šabović
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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.
#brainteasers #math
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Barber shop

President George Bush and President Barack Obama ended up at the barbershop at the same time.

As they sat there, each being worked on by a different barber, not a word was spoken.

The barbers were even afraid to start a conversation, for fear it would turn to politics.

As the barbers finished their shaves, the one who had President Bush in his chair reached for the aftershave. President Bush was quick to stop him, saying: “No thanks, my wife will smell that and think I've been in a whorehouse.”

The second barber turned to President Obama and said: “How about you, Mr. President?

Obama replied, “Go ahead, my wife doesn't know what the inside of a whorehouse smells like.”

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Arcturus starlight signals at Chicago World's Fair

In 1933, a searchlight shot a great beam above the “Century of Progress” Chicago World's Fair, activated by starlight from Arcturus. It linked that event symbolically with the great Columbian Exposition, some 40 years earlier, by using light that came from (as then thought) 40 lightyears away. The light that left Arcturus in 1893, at the time of the earlier event, travelled across space in the intervening 40 years, and by being focussed by four major observatory telescopes using the latest photocell technology, generated the signals forwarded to the 1933 Fair. The network provided better odds of clear skies at one of them. Each transmitted the current using Western Union telegraph lines. A crowd of thousands saw the signals arrive on a huge display at 9:15 pm. (Arcturus is now measured at 37 lightyears away.)«
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