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www.reference.com/world-view/shapes-names-cb688a3e2543d9b8

Shapes are defined as geometric objects that possess outlines or external surfaces. Common shape names include circle, oval, triangle, square, rectangle, cylinder, star, pyramid and heart.

www.reference.com/article/name-12-sided-shape-65e62f86bab96476

The dodecagon is the name of a 12-sided shape. This polygon also has 12 interior angles and 12 vertices. The sum of the interior angles of the dodecagon is 1,800 degrees.

www.reference.com/article/name-six-sided-shape-712a4626a4b06138

A six-sided shape is known as a hexagon. This refers to an item with a flat shape that has straight sides.

www.reference.com/world-view/seven-sided-shape-called-c2a3d02a8fe6112e

A seven-sided shape is called a heptagon. Some people refer to heptagons as septagons, but this mixes a Greek suffix with a Latin prefix, so it is not the preferred usage.

www.reference.com/article/would-included-list-three-dimension-shapes-ae3a23064b2813a1

Some three-dimensional figures are spheres, cones, cylinders, pyramids and prisms. Other three-dimensional figures are octahedra, dodecahedra and icosahedra. Cubes and tetrahedra are some common variants of these major figures.

www.reference.com/article/name-eight-sided-shape-369b0706b930cb7e

The name of an eight-sided shape is an octagon. In addition to the eight sides, the octagon also has eight vertices and eight interior angles. The interior angles add up to 1080 degrees.

www.reference.com/article/name-nine-sided-shape-480485ed7ff02333

A nine-sided shape is called a nonagon or enneagon. A nonagon is a type of polygon. Polygons are closed-plane figures that are made of line segments.

www.reference.com/article/name-wood-shaping-tool-7ef418e3214c062b

There are many wood shaping tools depending on what project is being done. Saws, rasps and chisels are all used for wood carving and shaping.

www.reference.com/world-view/names-irregular-shapes-96d08daef5af0ff

Unlike a regular shape, an irregular shape is a polygon with sides that aren't all equal and unequal angles. Some conventional geometric shapes, such as the rectangle, parallelogram and rhombus, are irregular. A rectangle has four 90 degree angles, but its sides aren't all the same length. A rhombus

www.reference.com/article/names-3d-shapes-6b1f1c5c1def08b7

Sphere, torus, cylinder, cone, cube, triangular pyramid and square pyramid are some of the most common 3D shapes. There are certain characteristics and rules that apply for each one, and some of them can also be found in nature.