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Keywords:
Polygon,
Seven,
Schl,
Heptachord,
Figure
A plane figure consisting of seven sides and having seven angles.
a plane closed figure with seven sides and seven angles.
a figure with seven sides and a heptachord is a seven-stringed musical instrument
a seven-sided figure, and very rare
A polygon with 7 sides.
(1) A 7-sided polygon.
A plane figure with seven angles and seven sides.
A seven sided polygon (or flat shape).
A seven-sided polygon (Lesson 2.5).
In geometry, a heptagon is a polygon with seven sides and seven angles. In a regular heptagon, in which all sides and all angles are equal, the sides meet at an angle of 5π/7 radians, approximately 128.571 degrees. Its Schläfli symbol is {7}.
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