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The Rhombus. A rhombus is a four-sided shape where all sides have equal length (marked "s"). Also opposite sides are parallel and opposite angles are equal. Another interesting thing is that the diagonals (dashed lines) meet in the middle at a right angle. In other words they "bisect" (cut in half) each other at right angles.
The square, like the trapezoid, the rhombus, or the parallelogram are quadrilaterals (with 4 sides) which have particularities (such as parallel sides or equal angles).
Welcome to the Math Salamanders' Geometric Shapes Information Page. Here you will find a list of different geometric shapes to help you to identify a range of 2d and 3d shapes. Along with each shape, we have also included the properties of each shape and other helpful information.
Each geometric shape has a unique name (ex. rectangle, square, oval, etc) and geometrical shapes can be easily identified by looking at an image and seeing the shape’s characteristics, such as number of sides, angles, curves, or points.
Polygons are 2-dimensional shapes. They are made of straight lines, and the shape is "closed" (all the lines connect up). Polygon comes from Greek. Poly- means "many" and -gon means "angle".
List of polygons. A pentagon is a five-sided polygon. A regular pentagon has 5 equal edges and 5 equal angles. In geometry, a polygon is traditionally a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain.
10 Οκτ 2022 · Hendecagons are sometimes called 11-gons. Interior angles. The interior angles of a hendecagon are shown here: The sum of these 11 angles is given by the formula: sum of interior angles = (n - 2) x 180. Where n is the number of sides. In this case, the number of sides n is 11, so the sum of the interior angles is: (11 - 2) x 180 = 1620 degrees.
