Area is the amount of space taken up by a surface or 2-D shape. It is measured in squares with metric units mm², cm², m² and km². A parallelogram is a 2-D shape with 2 pairs of parallel sides. When ...
BACKGROUND This is the first published study assessing the parallelogram effect of degenerative structures around the apical vertebra. We evaluated the effect of degenerative structures around the ...
A square is the only regular quadrilateral. All angles are equal (90°). All sides are of equal length. Opposite sides are parallel. The diagonals bisect each other at 90°. The diagonals are equal in ...
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