Find the area of the shaded ...
[2485] Find the area of the shaded ... - Find the area of the shaded region accurate up to 3 decimal places. (a=10, b=8, c=6) - #brainteasers #math - Correct Answers: 122 - The first user who solved this task is Roxana zavari
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Find the area of the shaded ...

Find the area of the shaded region accurate up to 3 decimal places. (a=10, b=8, c=6)
Correct answers: 122
The first user who solved this task is Roxana zavari.
#brainteasers #math
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Making money

Three boys are in the school yard bragging about their fathers. The first boy says, "My Dad scribbles a few words on a piece of paper, he calls it a poem, they give him $50."

The second boy says, "That's nothing. My Dad scribbles a few words on a piece of paper, he calls it a song, they give him $100."

Little Johnny says, "I got you both beat. My Dad scribbles a few words on a piece of paper, he calls it a sermon, and it takes eight people to collect all the money!"

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Radioelectric battery

In 1951, the first battery to convert radioactive energy to electrical was announced. Invented by Philip Edwin Ohmart of Cincinnati, Ohio, it consisted of two electrochemically dissimilar electrodes separated by a filling gas that was ionized by exposure to the nuclear energy to produce electrical current. Ohmart obtained an emf efficiency of .01% on a cell using magnesium dioxide and lead-dioxide with argon as the gas and Ag110 as the radioactive source.
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