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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Old friends

Mary and Jane are old friends. They have both been married to their husbands for a long time; Mary is upset because she thinks her husband doesn't find her attractive anymore.

"As I get older he doesn't bother to look at me!" Mary cries.

"I'm so sorry for you, as I get older my husband says I get more beautiful every day." replies Jane.

"Yes, but your husband's an antique dealer!"

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Rectangular TV tube production

In 1949, the first deliveries were made of the first practical rectangular television tube made in the U.S. The tubes were manufactured by the Kimble Glass Co., a subsidiary of Owens-Illinois, and sold for about $12. The display face of the tube measured approx. 12in. by 16in. The company had announced the tube to the trade on 10 Jul 1949.
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