Find the length of red arc AB
[2605] Find the length of red arc AB - Find the length of red arc AB (r1=1, r2=2). Express result to the accuracy of 3 decimal. - #brainteasers #math - Correct Answers: 43 - The first user who solved this task is Roxana zavari
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Find the length of red arc AB

Find the length of red arc AB (r1=1, r2=2). Express result to the accuracy of 3 decimal.
Correct answers: 43
The first user who solved this task is Roxana zavari.
#brainteasers #math
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Little Johnny attended a horse...

Little Johnny attended a horse auction with his father. He watched as his father moved from horse to horse, running his hands up and down the horse's legs and rump, and chest. After a few minutes, Johnny asked, "Dad, why are you doing that?"
His father replied, "Because when I'm buying horses, I have to make sure that they are healthy and in good shape before I buy."
Johnny, looking worried, said, "Dad, I think the UPS guy wants to buy Mom..."
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Edison Electric Light Co.

In 1878, Thomas Edison established the Edison Electric Light Company in N.Y. City with a syndicate of leading financiers, including J.P. Morgan and the Vanderbilts, who advanced him $30,000 for research and development. Edison proposed to connect his lights in a parallel circuit by subdividing the current, so that, unlike arc lights, which were connected in a series circuit, the failure of one light bulb would not cause a whole circuit to fail. He patented his electricity distribution system in 1880. The first investor-owned electric utility, Pearl Street Station, New York City, (1882) provided service for the 400 lamps of 85 customers. This company and its technological heritage became a part of General Electric in 1892.
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