Science, asked by Defisha, 1 year ago

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Define one radian.
and
Define one astronomical unit.

Answers

Answered by arya321
3
The radian is the SI unit for measuring angles, and is the standard unit of angular measure used in many areas of mathematics. 

An Astronomical Unit (AU) is the average distance between Earth and the Sun, which is about 93 million miles or 150 million kilometers. Astronomical units are usually used to measure distances within our Solar System.


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Answered by kurapati
1
Hi frnd,

*One radian is defined as the quotient of (Arc /radius). It's relation with degrees is:-

1 rad=(90/π)°.


* An astronomical unit (AU) is the mean distance between the center of the Earth and the center of the sun. The actual distance varies depending on the time of year, because the Earth's orbit around the sun is not a perfect circle. The mean, or average, separation is approximately 1.4959787 x 10 11 meters, which is 1.4959787 x 10 8 kilometers or 9.2955807 x 10 7 miles.
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