Find the area of the shaded figure
[376] Find the area of the shaded figure - Express result to the accuracy of 3 decimal. - #brainteasers #math - Correct Answers: 51 - The first user who solved this task is Djordje Timotijevic
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Find the area of the shaded figure

Express result to the accuracy of 3 decimal.
Correct answers: 51
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
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The secret of my success

Grandpa was celebrating his 100th birthday and everybody complimented him on how athletic and well-preserved he appeared.

"Gentlemen, I will tell you the secret of my success," he cackled. "I have been in the open air day after day for some 75 years now."

The celebrants were impressed and asked how he managed to keep up his rigorous fitness regime.

"Well, you see my wife and I were married 75 years ago. On our wedding night, we made a solemn pledge. Whenever we had a fight, the one who was proved wrong would go outside and take a walk."

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Echo 1 satellite phone link test

In 1960, a phone link was tested via the newly launched Echo 1 ballooon satellite on its 31st circuit of the earth. The experiment was conducted by Bell Telephone Laboratories. A call originating via a normal telephone land line to the Jet Propulsion Laboratory at Goldstone, California, was patched into a radio beam bounced off the ten-story satellite balloon in orbit 1,000 miles above the earth. The radio signal was picked up on the other coast at the Bell Laboratory at Holmdel, New Jersey, where it was connected through a conventional telephone exchange to be connected to a receiving telephone. Reception of both a two-way voice conversation and music was satisfactory, and without distortion. The satellite was passive, just a reflector of the radio signal. The New York Times reported the test.«
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