An eight-sided shape is known as an octagon. Octagons are flat shapes with eight straight sides.
Know MoreOctagons have certain characteristics that set them apart from other shapes. Octagons can be regular or irregular. When an octagon is regular, it has all equal sides. If the sides are not equal, the octagon is classified as irregular. The octagon can also be convex, with no angles pointing inwards or concave, with an angle pointing inwards. To be classified as an octagon, the shape in question must have a closed diameter with all sides connecting up. Generally, a regular octagon has 135-degree interior angles and 45-degree exterior angles.
Learn MoreAn octagon is a shape most people can recognize right away; it has eight equal length sides and eight equal angles. You need a ruler, a protractor, a pencil and a piece of paper to construct an octagon.
Full Answer >In geometry, a shape, or polygon, with eight sides is called an octagon. A common example of an octagon in the real world is the stop sign. The octagon is also used in architecture, and umbrellas often come in an octagonal shape.
Full Answer >A shape with 24 sides is called an icosikaitetragon. Greek prefixes are used for naming shapes by the number of sides. Numbers above 20 have additional special rules that must be followed to construct their names.
Full Answer >A four-sided polygon is known as a quadrilateral. There are various types of quadrilaterals, but the most recognized are the square, rectangle, rhombus, trapezoid and the parallelogram. Quadrilaterals are always flat shapes that have four straight edges and four corners or vertices.
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