Find the area of the shaded ...
[3223] Find the area of the shaded ... - Find the area of the shaded region accurate up to 3 decimal places. (A=?, a=1542) - #brainteasers #math #riddles - Correct Answers: 32 - The first user who solved this task is Allen Wager
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Find the area of the shaded ...

Find the area of the shaded region accurate up to 3 decimal places. (A=?, a=1542)
Correct answers: 32
The first user who solved this task is Allen Wager.
#brainteasers #math #riddles
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Learning From Teachers

Eight-year-old Sally brought her report card home from school. Her marks were good...mostly A's and a couple of B's.
However, her teacher had written across the bottom: "Sally is a smart little girl, but she has one fault. She talks too much in school. I have an idea I am going to try, which I think may break her of the habit."
Sally's dad signed her report card, putting a note on the back: "Please let me know if your idea works on Sally because I would like to try it out on her mother."  

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Coordinated Universal Time

In 1972, Coordinated Universal Time (UTC) was adopted worldwide. UTC is determined from six primary atomic clocks that are coordinated by the International Bureau of Weights and Measures located in France. The abbreviation - UTC - was chosen as an international compromise between the initials of the English language form “coordinated universal time” and the French “temps universel coordonné.” Time zone boundaries as used by nations are drawn according to political considerations. Leap seconds are added to UTC periodically, about once each 18 months, so the highly accurate atomic clock time matches the time measured by Earth's rotation, which is very slightly variable due to tidal forces with the Moon.«[Image: some of the world's time zones shown relative to UTC.]
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