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# What are all the shapes and their names?

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.

Continue ReadingShapes often have specific names depending on how many sides they have; a hexagon, for example, has six sides, as the Greek prefix for six is "hex." As there is no limit to how many sides a shape may have, there is no realistic way to compile a complete list of shapes. Shapes can be regularly named, however.

Some commonly understood, and uniquely named, two-dimensional shapes are squares, triangles and circles. Shapes with three through twenty sides often have unique names; above that, the names are constructed based on Greek or Latin prefixes. A 78-sided polygon, for example, would be a heptacontakaioctagon. This name is explained thus: "heptaconta" means "70," "kai," means "and" and "octa" means "eight." The name, translated, would be "70 and 8 sided shape."

These are all polygons, the blanket term for such shapes. Generally polygons can be regular or irregular; regular polygons have the same length of sides and are symmetrical, while irregular polygons are neither. The absolute limit on a polygon's sides is with an apeirogon. This geometric shape is a theoretical, degenerate geometric figure with an infinite number of sides.

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## What is the way to calculate the area of an irregular shape?

A: To calculate the area of an irregular shape, the shape needs to be divided into regular shapes that can have their area easily calculated; the area of the ... Full Answer >Filed Under: -
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## What is the difference between oblong and rectangle?

A: A rectangle is a noun referring to a specific type of shape, while oblong is an adjective used to describe shapes or forms. A rectangle can be characterize... Full Answer >Filed Under: -
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## What shapes have no lines of symmetry?

A: Some shapes that have no lines of symmetry include the scalene triangle and trapezium. A trapezium is a four-sided flat shape with straight sides, none of ... Full Answer >Filed Under: -
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## What is a quadrilateral that is not a parallelogram?

A: Trapezoids and kites are shapes that are quadrilaterals but not parallelograms. A quadrilateral is a two-dimensional shape with four straight sides, althou... Full Answer >Filed Under: