Calculations at a regular hexadecagon, a polygon with 16 vertices. Hexadecagons are sometimes used in art. Enter one value and choose the number of decimal places. Then click Calculate.
d8 = a / sin(π/16)
d7 = sin(7π/16) / sin(π/16) * a
d6 = sin(3π/8) / sin(π/16) * a
d5 = sin(5π/16) / sin(π/16) * a
d4 = √2/2 / sin(π/16) * a
d3 = sin(3π/16) / sin(π/16) * a
d2 = sin(π/8) / sin(π/16) * a
Höhe = d7
p = 16 * a
A = 4 * a² * cot(π/16)
rc = d8/2 = √ ( 4 + 2√2 + √20+14√2 ) / 2 * a
ri = d7/2 = ( 1 + √2 + √ 2 * ( 2 + √2 ) ) / 2 * a
Edge length, diagonals, height, perimeter and radius have the same unit (e.g. meter), the area has this unit squared (e.g. square meter).
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