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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You’re in Charge of...

An Italian, an Irishman and a Chinese fellow are hired at a construction site. The manager points out a huge pile of sand and says to the Italian, "You're in charge of sweeping". To the Irishman, "You're in charge of shoveling" To the Chinese guy, "And you're in charge of supplies". "Now, I have to leave for a little while. I expect you guys to make a dent in that pile."

So the manager goes away for a couple of hours. And when he returns, the pile of sand is untouched. He says to the Italian, "Why didn't you sweep any of it?

The Italian guy replies, "I didn't have a broom. You said the Chinese guy was in charge of the supplies, but he disappeared and I couldn't find him" So then the manager turns to the Irishman and asks why he didn't shovel.

The Irishman replies, "I couldn't get myself a shovel. You left the Chinese guy in charge of supplies and I couldn't find him." The manager is really pissed now, and storms off toward the pile of Sand looking for the Chinese guy.

Just then, the Chinese guy springs out from behind the pile of sand and yells, "SUPPLIES!"

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Vicomte Ferdinand, de Lesseps

Died 7 Dec 1894 at age 89 (born 19 Nov 1805). French diplomat, who supervised the construction of the Suez Canal. While in the consular service in Egypt he became aware of plans to link the Mediterranean and the Red Sea by means of a canal, and from 1854 onwards devoted himself to the project. Work began in 1859 and the Suez Canal was opened ten years later (1869). In 1881, he embarked on the building of the Panama Canal, but had not anticipated the difficulties of this very different enterprise. The climate, with its torrential rains, incessant heat and fatal disease, took its toll. Financial mismanagement, stock failure and bad publicity eventually forced the failure of the company. The project was abandoned in 1889. It was eventually completed by the United States.
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