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  2. Circular arc - Wikipedia

    en.wikipedia.org/wiki/Circular_arc

    A circular sector is shaded in green. Its curved boundary of length L is a circular arc. A circular arc is the arc of a circle between a pair of distinct points.If the two points are not directly opposite each other, one of these arcs, the minor arc, subtends an angle at the center of the circle that is less than π radians (180 degrees); and the other arc, the major arc, subtends an angle ...

  3. Curve - Wikipedia

    en.wikipedia.org/wiki/Curve

    In Euclidean geometry, an arc (symbol: ⌒) is a connected subset of a differentiable curve. Arcs of lines are called segments, rays, or lines, depending on how they are bounded. A common curved example is an arc of a circle, called a circular arc. In a sphere (or a spheroid), an arc of a great circle (or a great ellipse) is called a great arc.

  4. Circular segment - Wikipedia

    en.wikipedia.org/wiki/Circular_segment

    A circular segment (in green) is enclosed between a secant/chord (the dashed line) and the arc whose endpoints equal the chord's (the arc shown above the green area). In geometry, a circular segment or disk segment (symbol: ⌓) is a region of a disk [1] which is "cut off" from the rest of the disk by a straight line.

  5. Arc - Wikipedia

    en.wikipedia.org/wiki/Arc

    Continental arc, in geology a continental mountain chain or parallel alignment of chains (as opposed to island arcs), configured in an arc Eastern Arc Mountains, a continental arc of Africa; Volcanic arc, a chain of volcanoes positioned in an arc shape as seen from above Aleutian Arc, a large volcanic arc in the U.S. state of Alaska

  6. Circular sector - Wikipedia

    en.wikipedia.org/wiki/Circular_sector

    The minor sector is shaded in green while the major sector is shaded white. A circular sector, also known as circle sector or disk sector or simply a sector (symbol: ⌔), is the portion of a disk (a closed region bounded by a circle) enclosed by two radii and an arc, with the smaller area being known as the minor sector and the larger being the major sector. [1]

  7. Circle - Wikipedia

    en.wikipedia.org/wiki/Circle

    The circular arc is said to subtend the angle, ... The circle is the shape with the largest area for a given length of perimeter (see Isoperimetric inequality).

  8. Parabolic arch - Wikipedia

    en.wikipedia.org/wiki/Parabolic_arch

    A parabolic arch is an arch in the shape of a parabola. [1] In structures, their curve represents an efficient method of load, and so can be found in bridges and in architecture in a variety of forms.

  9. Arch - Wikipedia

    en.wikipedia.org/wiki/Arch

    A (left or right) half-segment of an arch is called an arc, the overall line of an arch is arcature [18] (this term is also used for an arcade). [19] Archivolt is the exposed (front-facing) part of the arch, sometimes decorated (occasionally also used to designate the intrados). [20]