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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One night a teenage girl broug...

One night a teenage girl brought her new boyfriend home to meet her parents, and they were appalled by his appearance: leather jacket, motorcycle boots, tattoos and pierced nose.
Later, the parents pulled their daughter aside and confessed their concern. "Dear," said the mother diplomatically, "he doesn't seem very nice."
"Oh please, Mom," replied the daughter, "if he wasn't nice, why would he be doing 500 hours of community service?"
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Alfred O. C. Nier

Born 28 May 1911; died 16 May 1994 at age 82.Alfred Otto Carl Nier was an American physicist whorefinedthe mass spectrometric process to distinguish isotopes. In 1934, with Lyman T. Aldrich he applied the decay of potassium-40 to argon-40 to measure the age of geological materials. He discovered (1936-38) a number of new isotopes of such low abundance they had not been previously detected, including S36, Ca46, Ca48, and Os186. Nier showed how the ratio of radioactive isotopes of uranium and its decay products was a second method to estimate the age of rocks. During WW-II, with others, he showed (1940) that the rarer uranium-235 undergoes fission, not common U-238. Thereafter, Nier was active in the separaton of these two isotopes, important in developing atomic bombs.
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