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  2. Special right triangle - Wikipedia

    en.wikipedia.org/wiki/Special_right_triangle

    Set square shaped as 45° - 45° - 90° triangle The side lengths of a 45° - 45° - 90° triangle 45° - 45° - 90° right triangle of hypotenuse length 1.. In plane geometry, dividing a square along its diagonal results in two isosceles right triangles, each with one right angle (90°, ⁠ π / 2 ⁠ radians) and two other congruent angles each measuring half of a right angle (45°, or ...

  3. Image sensor format - Wikipedia

    en.wikipedia.org/wiki/Image_sensor_format

    For example, 1/2.5 converts to 2/5 as a simple fraction, or 0.4 as a decimal number. This "inch" system gives a result approximately 1.5 times the length of the diagonal of the sensor. This "inch" system gives a result approximately 1.5 times the length of the diagonal of the sensor.

  4. List of mathematical constants - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_constants

    A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]

  5. Secretariat (horse) - Wikipedia

    en.wikipedia.org/wiki/Secretariat_(horse)

    from "Big Red", by J.A. Estes [a] On March 30, 1970, at 12:10 a.m. at the Meadow Stud in Caroline County, Virginia, Somethingroyal foaled a bright-red chestnut colt with three white socks and a star with a narrow stripe. The foal stood when he was 45 minutes old and nursed 30 minutes later. Howard Gentry, the manager of Meadow Stud, was at the foaling and later said, "He was a very well-made ...

  6. Engineering notation - Wikipedia

    en.wikipedia.org/wiki/Engineering_notation

    Engineering notation or engineering form (also technical notation) is a version of scientific notation in which the exponent of ten is always selected to be divisible by three to match the common metric prefixes, i.e. scientific notation that aligns with powers of a thousand, for example, 531×10 3 instead of 5.31×10 5 (but on calculator displays written without the ×10 to save space).

  7. Help:Convert - Wikipedia

    en.wikipedia.org/wiki/Help:Convert

    By default, the output value is rounded to adjust its precision to match that of the input. An input such as 1234 is interpreted as 1234 ± 0.5, while 1200 is interpreted as 1200 ± 50, and the output value is displayed accordingly, taking into account the scale factor used in the conversion.

  8. AOL Mail

    mail.aol.com/?rp=webmail-std/en-us/basic

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  9. Tamil units of measurement - Wikipedia

    en.wikipedia.org/wiki/Tamil_units_of_measurement

    The Tamil units of measurement is a system of measurements that was traditionally used in ancient Tamil -speaking parts of South India. These ancient measurement systems spanned systems of counting, distances, volumes, time, weight as well as tools used to do so. While modern India uses the metric system International System of Units (Tamil ...