Find the area of the shaded ...
[3087] Find the area of the shaded ... - Find the area of the shaded octagon (A=?, a=1999) and express result to the accuracy of 3 decimal. - #brainteasers #math #riddles - Correct Answers: 22 - The first user who solved this task is Allen Wager
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Find the area of the shaded ...

Find the area of the shaded octagon (A=?, a=1999) and express result to the accuracy of 3 decimal.
Correct answers: 22
The first user who solved this task is Allen Wager.
#brainteasers #math #riddles
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It was horrible

A store manager Bob stopped by a small manufacturing plant he spotted during his last trip through a part of the countryside in the hopes of gaining another client in the area.

However, little did Bob know that the plant manager was going to be a tough customer to please.

With a broad smile and a reassuring tone, Bob handed the plant manager a beautiful box of cigars as a gift, but the man barely gave it a sideways glance before he said,

"No cigars for me, thank you. I smoked one once, and it was horrible."

Bob is nothing if not prepared, so he offered to take the plant manager out for a few beers, but again the suggestion missed the mark.

"No alcohol for me, thank you. I drank it once, and it was horrible."

Not ready to give up just yet, Bob got a bright idea as he looked out the window and saw people playing golf.

"That's quite alright," he told the plant manager.

"How about you come and play a round of golf at my club as my personal guest?"

However, for the third time, Bob's luck struck out, as the plant manager replied,

"No golf for me, thank you. I played the sport once, and it was horrible.

" The plant manager had barely finished his sentence when a young man joined them at the table.

"Let me introduce my son, Jason,"

the plant manager said. Surprised, Bob gave the young man a quick once over before he replied,

"Let me guess, he is an only child?"

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Sir Ambrose Fleming

Born 29 Nov 1849; died 18 Apr 1945 at age 95. John Ambrose Fleming was an English electrical engineer who invented, and coined the name for, the first thermonic valve (also known as a vacuum tube). It was a diode with two electrodes, that acted as a rectifier, restricting current to flow in only one direction in a circuit (patented 1904). It made use of the Edison effect— the emission of electrons from a heated metal surface. By sealing a heated filament in a glass envelope containing a vacuum, the internal movement of electrons was not obstructed by gas molecules. The second electron at high positive voltage attracted the electrons released from the surface of the first, heated, electrode. It was applied the device in circuits for the nacent telecommunications industry. His name is remembered in the Fleming “Left Hand Rule” mnemonicfor relating the directions of motion, current and magnetic field for a motor.«
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