Find the area of the blue re...
[2960] Find the area of the blue re... - Find the area of the blue region accurate up to 3 decimal places. (A=?, a=1732) - #brainteasers #math #riddles - Correct Answers: 31 - The first user who solved this task is Erkain Mahajanian
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Find the area of the blue re...

Find the area of the blue region accurate up to 3 decimal places. (A=?, a=1732)
Correct answers: 31
The first user who solved this task is Erkain Mahajanian.
#brainteasers #math #riddles
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Boy Scout on the plane

A doctor, a lawyer, a little boy scout and a pastor were out for a Sunday afternoon flight on a small private plane.

Suddenly, the plane developed engine trouble. In spite of the best efforts of the pilot, the plane started to go down.

Finally, the pilot grabbed a parachute, yelled to the passengers that they had better jump, and bailed out.

Unfortunately there were only three parachutes remaining.

The doctor grabbed one and said "I'm a doctor, I save lives, so I must live," and jumped out.

The lawyer then said "I'm the smartest man in the world, I deserve to live!" He grabbed a parachute and jumped, also.

The pastor looked at the little boy scout and said, "My son, I've lived a long and full life. You are young and have your whole life ahead of you. Take the last parachute and live in peace."

The little boy scout handed the parachute back to the pastor and said "Not to worry, Preacher. 'The smartest man in the world' just jumped out with my back pack."

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Kinetoscope parlor

In 1894, the first Kinetoscope parlor opened in New York with five machines. For 25 cents, customers looked through a peephole to view a short film. A motorized film loop was threaded around a number of rollers within a wooden cabinet. Thomas Edison invented these early motion picture machines to do "for the eye what the phonograph does for the ear." After several years of effort, by 1892, Edison with W.K.L. Dickson, had invented the "kinetograph" - a camera to take motion pictures. Edison then began producing films to exhibit. The machines sold for $250 each, but within a year, competitors entered the market, and public interest declined sharply. By then, however, the era of projected pictures had already dawned.«
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