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As for fractions, the simplest form is considered that in which the numbers in the ratio are the smallest possible integers. Thus, the ratio 40:60 is equivalent in meaning to the ratio 2:3, the latter being obtained from the former by dividing both quantities by 20. Mathematically, we write 40:60 = 2:3, or equivalently 40:60∷2:3.
An equivalent definition is sometimes useful: if a and b are integers, then the fraction a / b is irreducible if and only if there is no other equal fraction c / d such that | c | < | a | or | d | < | b |, where | a | means the absolute value of a. [4] (Two fractions a / b and c / d are equal or equivalent if and ...
Exceptionally, the golden ratio is equal to the limit of the ratios of successive terms in the Fibonacci sequence and sequence of Lucas numbers: [42] + = + =. In other words, if a Fibonacci and Lucas number is divided by its immediate predecessor in the sequence, the quotient approximates φ {\displaystyle \varphi } .
Set square, shaped as 30° - 60° - 90°° triangle The side lengths of a 30°–60°–90° triangle 30° - 60° - 90° right triangle of hypotenuse length 1. This is a triangle whose three angles are in the ratio 1 : 2 : 3 and respectively measure 30° ( π / 6 ), 60° ( π / 3 ), and 90° ( π / 2 ).
House Republicans are scrambling to find a way to avoid a government shutdown after their second funding proposal was rejected, and are now planning to vote on a third proposal soon.
For example, the aspect ratio of a rectangle is the ratio of its longer side to its shorter side—the ratio of width to height, [1] [2] when the rectangle is oriented as a "landscape". The aspect ratio is most often expressed as two integer numbers separated by a colon (x:y), less commonly as a simple or decimal fraction. The values x and y do ...
Police search for a gunman who killed ten people including two children in the south of the country.
The pair had wed after knowing each other for less than two weeks, "48 Hours" reported.At the time of their marriage, Ashley Benefield was 24 and Doug Benefield, a widower whose wife had died ...