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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A Little Three Year Old Boy Is...

A Little Three Year Old Boy Is Sitting On The Toilet. His Mother Thinks He Has Been In There Too Long, So She Goes In To See What's Up. The Little Boy Is Sitting On The Toilet Reading A Book. But About Every 10 Seconds Or So He Puts The Book Down, Grips Onto To The Toilet Seat With His Left Hand And Hits Himself On Top Of The Head With His Right Hand.
His Mother Says: "billy, Are You All Right?you've Been In Here For A While...
Billy Says: "i'm Fine, Mommy.. I Just Haven't Gone 'doody' Yet."
Mother Says: "ok, You Can Stay Here A Few More Minutes.but, Billy, Why Are You Hitting Yourself On The Head?"
Billy Says: "works For Ketchup."
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Lars V. Hörmander

Born 24 Jan 1931.Swedish mathematician who was awarded the Fields Medal in 1962 for his work on partial differential equations. Spending five years in writing, he produced a text The analysis of linear partial differential operators, in four volumes (1983-85). Between 1987 and 1990 he served as a vice president of the International Mathematical Union. In 1988 Hörmander was awarded the Wolf Prize. Hörmander's text, An Introduction to Complex Analysis in Several Variables, has become a classic dealing with the theory of functions of several complex variables. It developed from lecture notes of a course which he gave in Stanford in 1964 and published in book form two years later, with updates in 1973 and 1990.
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