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: 31 - 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: 31
The first user who solved this task is Sanja Šabović.
#brainteasers #math
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Is it a good baby?

A three-year old walks over to a pregnant lady while waiting with his mother in a doctor's surgery.

"Why is your stomach so big?" he asks.

"I'm having a baby," she replies.

"Is the baby in your stomach?" he asks, with his big eyes.

"Yes, it is," she says.

"Is it a good baby?" he asks, with a puzzled look.

"Oh, yes. A really good baby," the lady replies.

Shocked and surprised, he asks: "Then why did you eat him?"

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Carborundum

In 1893, carborundum was patented by Edward G. Acheson of Monongahela, Penn. He had discovered it accidentally while trying to make artificial diamonds. He had dissolved carbon into molten corundum (a mixture of powdered coke and clay) in an electric furnace, and that yielded dark, hard, gritty crystals. He named the new material carborundum, and found it was one of the hardest industrial substances (second only to diamond), which made it an excellent abrasive material. In 1894, he started the Carborundum Company in Monongahela to produce grindstones, knife sharpeners, and various abrasives. Later, on 19 May 1896, obtained a patent for an electric furnace, suitable for making carborundum.«
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