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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I Got Arrested

I got arrested today for walking out of an art museum with a painting.
I’m just so confused because earlier when I asked the security if I could take a picture, they said “yes.”

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Cast iron plow

In 1797, Charles Newbold, born Chesterfield, NJ (1780), was issued the first US patent for a cast-iron plow, at a time when the cast iron plow of James Small had to be imported from Scotland. On Newbold's plow the share, landslide and moldboard were cast in one piece, then wooden handles and beam added. Local farmers, though, rejected its use, fearing the iron might poison the soil! Eventually it was the improvements made by others that brought successful cast iron then steel plows to market.
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