Can you please teach me the properties of absolute values

AI Thread Summary
Absolute values represent the distance of a number from zero on the number line, disregarding its sign. The absolute value of a number is always non-negative, meaning it can be zero or positive but never negative. Key properties include that the absolute value of a positive number is the number itself, while the absolute value of a negative number is its positive counterpart. Additionally, the absolute value of zero is zero. Understanding these properties is fundamental in mathematics and helps in solving various equations and inequalities.
eljota38
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I am new in the field of science please can you help me. I would I appreciate it. I am not that knowledgeable.
 
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thanks , and sorry for the question I now it is very basic stuff. :P I do know it
 
Please read this: https://www.physicsforums.com/blog.php?b=3588
 
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Thread 'Trigonometry problem of interest'

Seemingly by some mathematical coincidence, a hexagon of sides 2,2,7,7, 11, and 11 can be inscribed in a circle of radius 7. The other day I saw a math problem on line, which they said came from a Polish Olympiad, where you compute the length x of the 3rd side which is the same as the radius, so that the sides of length 2,x, and 11 are inscribed on the arc of a semi-circle. The law of cosines applied twice gives the answer for x of exactly 7, but the arithmetic is so complex that the...
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