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  2. Rule of thirds - Wikipedia

    en.wikipedia.org/wiki/Rule_of_thirds

    The rule of thirds is applied by aligning a subject with the guide lines and their intersection points, placing the horizon on the top or bottom line, or allowing linear features in the image to flow from section to section.

  3. List of abbreviations in photography - Wikipedia

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    Usually used in a jocular sense on camera forums, about a wish to add to an already extensive collection of interchangeable lenses. LCA: An ambiguous abbreviation that should be avoided. Some writers use it to mean lateral (transverse) chromatic aberration, TCA, while others use it to mean longitudinal (axial) chromatic aberration, LoCA. LCD

  4. Scale of chords - Wikipedia

    en.wikipedia.org/wiki/Scale_of_Chords

    A scale of chords may be used to set or read an angle in the absence of a protractor. To draw an angle, compasses describe an arc from origin with a radius taken from the 60 mark. The required angle is copied from the scale by the compasses, and an arc of this radius drawn from the sixty mark so it intersects the first arc.

  5. Chord (geometry) - Wikipedia

    en.wikipedia.org/wiki/Chord_(geometry)

    Ptolemy used a circle of diameter 120, and gave chord lengths accurate to two sexagesimal (base sixty) digits after the integer part. [2] The chord function is defined geometrically as shown in the picture. The chord of an angle is the length of the chord between two points on a unit circle separated by that central angle.

  6. Circle - Wikipedia

    en.wikipedia.org/wiki/Circle

    It is a special case of a chord, namely the longest chord for a given circle, and its length is twice the length of a radius. Disc: the region of the plane bounded by a circle. In strict mathematical usage, a circle is only the boundary of the disc (or disk), while in everyday use the term "circle" may also refer to a disc.

  7. Try these four expert-approved treat-delivery methods to keep ...

    www.aol.com/try-four-expert-approved-treat...

    “It’s not what you feed, it’s the way you feed it,” explains Burton. “Your treat delivery technique can have a powerful impact on the outcome of your training.”

  8. Degree of curvature - Wikipedia

    en.wikipedia.org/wiki/Degree_of_curvature

    The degree of curvature is defined as the central angle to the ends of an agreed length of either an arc or a chord; [1] various lengths are commonly used in different areas of practice. This angle is also the change in forward direction as that portion of the curve is traveled.

  9. Heisman Trophy history: Full list of winners for college ...

    www.aol.com/heisman-trophy-history-full-list...

    The 2024 Heisman Trophy ceremony is Saturday. Here is a list of past winners for the coveted college football award.

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