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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A guy fell asleep on the beach...

A guy fell asleep on the beach for several hours and got horrible sunburn, specifically to his upper legs. He went to the hospital, and was promptly admitted after being diagnosed with second-degree burns. With his skin already starting to blister, and the severe pain he was in, the doctor prescribed continuous intravenous feeding with saline, electrolytes, a sedative, and a Viagra pill every four hours.
The nurse, who was rather astounded, asked, "What good will Viagra do for him, Doctor?"
The doctor replied, "It won't do anything for his condition, but it'll keep the sheets off his legs."
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First Black-American patent

In 1821, the first U.S. patent issued to a Black-American was granted to Thomas Jennings for a “dry-scouring”cleaning process (3 Mar 1821 No. X3306). Jennings used his royalties to buy his family out of slavery and to support the abolition of slavery. In 1831, Thomas Jennings became assistant secretary for the First Annual Convention of the People of Color in Philadelphia, Pennsylvania. For some time Henry Blair had been regarded as the first Black-American receiving a patent, for a corn planter (14 Oct 1834, No. X8447), until it became better known that the Jennings held that distinction.
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