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Every kite is an orthodiagonal quadrilateral, meaning that its two diagonals are at right angles to each other. Moreover, one of the two diagonals (the symmetry axis) is the perpendicular bisector of the other, and is also the angle bisector of the two angles it meets. [1] Because of its symmetry, the other two angles of the kite must be equal.
A right kite with its circumcircle and incircle. The leftmost and rightmost vertices have right angles. In Euclidean geometry, a right kite is a kite (a quadrilateral whose four sides can be grouped into two pairs of equal-length sides that are adjacent to each other) that can be inscribed in a circle. [1]
English: A kite with angles π/3, 5π/12, 5π/6, and 5π/12, inscribed within a Reuleaux triangle.Among all quadrilaterals, this shape is the one maximizing the ratio of perimeter to diameter: see Ball, D.G. (1973), "A generalisation of π", Mathematical Gazette 57 (402): 298–303, and Griffiths, David; Culpin, David (1975), "Pi-optimal polygons", Mathematical Gazette 59 (409): 165–175.
The convex hull of the lute is a kite shape with three 108° angles and one 36° angle. [2] The sizes of any two consecutive pentagrams in the sequence are in the golden ratio to each other, and many other instances of the golden ratio appear within the lute.
The lift generated by the kite and other flying characteristics are affected by the kite's angle of attack, which is set by the bridle; the arrangement of lines which terminate the main kite lines and attach to a number of points across the kite's surface. Power kites having 4 or 5 lines come in two variants, fixed bridle and depowerable.
The skin is drum-tight, a consequence of the unique tensioning system devised by Hargrave. A collapsed kite, rolled up for transport, lies on the ground. A box kite is a high-performance kite, noted for developing relatively high lift; it is a type within the family of cellular kites. The typical design has four parallel struts.
a = the height of the bottom of the painting above eye level; b = the height of the top of the painting above eye level; x = the viewer's distance from the wall; α = the angle of elevation of the bottom of the painting, seen from the viewer's position; β = the angle of elevation of the top of the painting, seen from the viewer's position.
The Malay kite is a model of tailless kite. First introduced to the West in a New York City newspaper article from October 1894, the Malay kite was used for recreation for centuries before this in parts of the Far East. The article detailed how a university professor ("Clayton") had erected a series of kites and bound them all together to one kite.