In geometry, a square is a regular quadrilateral. This means that it has four equal sides and four equal angles (90-degree angles, or right angles). It can also be defined as a rectangle in which two adjacent sides have equal length. A square with vertices ABCD would be denoted ABCD.
The square is the n=2 case of the families of n-hypercubes and n-orthoplexes.
Read more about Square: Characterizations, Perimeter and Area, Coordinates and Equations, Construction, Properties, Other Facts, Non-Euclidean Geometry, Graphs
Other articles related to "square, squares":
... of these to obtain an octagonal prism with regular faces and two additional polyhedra called square cupolae, which count among the Johnson solids it is thus an elongated square ... These pieces can be reassembled to give a new solid called the elongated square gyrobicupola or pseudorhombicuboctahedron, with the symmetry of a square ... with one triangle and three squares meeting at each, but are not all identical with respect to the entire polyhedron, since some are closer to the symmetry ...
... Census Bureau, the county has a total area of 906 square miles (2,346.5 km2), of which 903 square miles (2,338.8 km2) is land and 3 square miles (7.8 km2) (0.33%) is water ...
... The heating surface of the boiler was 254.8 square metres (2,743 square feet), of which 98.5 square metres (1,060 square feet) were superheated, while the grate area was 4.72 square ...
... The K4 complete graph is often drawn as a square with all 6 edges connected ... This graph also represents an orthographic projection of the 4 vertices and 6 edges of the regular 3-simplex (tetrahedron) ...
... to the 2010 census, the village has a total area of 0.21 square miles (0.54 km2), of which 0.20 square miles (0.52 km2) (or 95.24%) is land and 0.01 square miles (0.026 km2) (or 4.76%) is water ...
Famous quotes containing the word square:
“After the planet becomes theirs, many millions of years will have to pass before a beetle particularly loved by God, at the end of its calculations will find written on a sheet of paper in letters of fire that energy is equal to the mass multiplied by the square of the velocity of light. The new kings of the world will live tranquilly for a long time, confining themselves to devouring each other and being parasites among each other on a cottage industry scale.”
—Primo Levi (1919–1987)
“Interpreting the dance: young women in white dancing in a ring can only be virgins; old women in black dancing in a ring can only be witches; but middle-aged women in colors, square dancing...?”
—Mason Cooley (b. 1927)
“Houses haunt me.
That last house!
How it sat like a square box!”
—Anne Sexton (1928–1974)