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As applied to a polygon, a diagonal is a line segment joining any two non-consecutive vertices. Therefore, a quadrilateral has two diagonals, joining opposite pairs of vertices. For any convex polygon, all the diagonals are inside the polygon, but for re-entrant polygons, some diagonals are outside of the polygon.
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Mia Khalifa (/ m iː ə k ə ˈ l iː f ə /; Arabic: ميا خليفة Miyа̄ Ḵalīfah [mijaː χaliːfa(h)]; born 1993 [1]) is a Lebanese-American media personality and former pornographic film actress and webcam model.
The word swastika is derived from the Sanskrit root swasti, which is composed of su 'good, well' and asti 'is; it is; there is'. [30] The word swasti occurs frequently in the Vedas as well as in classical literature, meaning 'health, luck, success, prosperity', and it was commonly used as a greeting.
Pressing hands together with a smile to greet namaste – a common cultural gesture in India. Namaste (Sanskrit pronunciation:, [1] Devanagari: नमस्ते), sometimes called namaskār and namaskāram, is a customary Hindu [2] [3] [4] manner of respectfully greeting and honouring a person or group, used at any time of day. [5]
While a catenary is the ideal shape for a freestanding arch of constant thickness, the Gateway Arch is narrower near the top. According to the U.S. National Historic Landmark nomination for the arch, it is a "weighted catenary" instead. Its shape corresponds to the shape that a weighted chain, having lighter links in the middle, would form. [26 ...
A curve is called a general helix or cylindrical helix [4] if its tangent makes a constant angle with a fixed line in space. A curve is a general helix if and only if the ratio of curvature to torsion is constant. [5] A curve is called a slant helix if its principal normal makes a constant angle with a fixed line in space. [6]
An ellipse (red) obtained as the intersection of a cone with an inclined plane. Ellipse: notations Ellipses: examples with increasing eccentricity. In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant.