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The ratio of a long diagonal to a side is 2, and the ratio of a short diagonal to a side is . A regular heptagon has 14 diagonals. The seven shorter ones equal each other, and the seven longer ones equal each other. The reciprocal of the side equals the sum of the reciprocals of a short and a long diagonal.
In chess problems, battery refers to an arrangement of two pieces in line with the enemy king on a rank, file, or diagonal so that if the middle piece moves a discovered check (or a threat other than a check) will be delivered. [28] See also Alekhine's gun. BCF British Chess Federation, the former name of the English Chess Federation. [29] See ...
Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...
A diagonal is a line segment joining two vertices of a polygon. Diagonal may also refer to: A stand of basic scaffolding on a house construction site, with diagonal braces to maintain its structure. Diagonal brace, a beam used to brace a rectangular structure (such as scaffolding) to withstand strong forces pushing into it
This table shows the diagonal, horizontal, and vertical angles of view, in degrees, for lenses producing rectilinear images, when used with 36 mm × 24 mm format (that is, 135 film or full-frame 35 mm digital using width 36 mm, height 24 mm, and diagonal 43.3 mm for d in the formula above). [16]
Escape the monotony of everyday life and go someplace new — like a park, museum or cool local landmark you’ve been meaning to check out. Or just hop in your car and see where the day takes you ...
A principal diagonal of a hexagon is a diagonal which divides the hexagon into quadrilaterals. In any convex equilateral hexagon (one with all sides equal) with common side a, there exists [11]: p.184, #286.3 a principal diagonal d 1 such that and a principal diagonal d 2 such that
Last month, a juvenile gorilla was found onboard a Turkish Airlines flight from Nigeria to Thailand. Officials believe the gorilla was being trafficked for the illegal wildlife trade, finding the ...