A solid figure with 12 plane faces is known as a dodecahedron. A dodecahedron is a three-dimensional shape that is made up of 12 regular pentagonal faces. Each face of a dodecahedron is the same size and shape, and the angles between the faces are all equal.
The dodecahedron is one of the five Platonic solids, which are geometric shapes that have certain properties, such as all their faces being regular polygons and all their angles being equal. The dodecahedron is named after the Greek words "dodeka," meaning twelve, and "hedra," meaning faces.
One of the most famous examples of a dodecahedron is the dodecahedron-shaped dice used in certain role-playing games. These dice have 12 faces, each numbered from 1 to 12, and are used to generate random numbers for gameplay.
If you want to learn more about dodecahedrons and other geometric shapes, you can visit Math is Fun website. This website provides a detailed explanation of dodecahedrons, as well as interactive tools and examples to help you understand them better.
In conclusion, a solid figure with 12 plane faces is called a dodecahedron. This geometric shape is characterized by its 12 regular pentagonal faces and is one of the five Platonic solids. If you want to explore the world of dodecahedrons further, be sure to check out the resources available online for more information.
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