Shapes are all around us, from the circles on a clock to the triangles on a pizza slice. But have you ever wondered about shapes with more sides? What about a shape with 7 sides? In this article, we’ll explore the answer to the question, “What shape has 7 sides?” and learn more about this unique shape.
The shape with 7 sides is called a heptagon. The prefix “hepta” comes from the Greek word for seven, and “gonia” means angle. So a heptagon is a seven-sided polygon, with seven angles and seven vertices (corners).
Heptagons can come in different forms, depending on the length and angles of their sides. For example, a regular heptagon has seven sides of equal length and angles of 128.57 degrees. An irregular heptagon has sides and angles of varying lengths and sizes.
Heptagons can be found in many places in nature, including in the shape of some crystals and the design of some flowers. They are also used in art and architecture, such as in the design of the Pentagon building in Washington D.C.
One interesting property of heptagons is that they cannot be constructed with only a straightedge and compass, unlike triangles, squares, and other polygons. This means that constructing a perfect heptagon is more challenging and requires more advanced tools and techniques.
In conclusion, a heptagon is a fascinating shape with seven sides, angles, and vertices. It can come in different forms, including regular and irregular heptagons, and is found in nature, art, and architecture. Its unique properties make it a special and intriguing shape to study and explore.
In Khan Academy, you can learn more about heptagons and other shapes through interactive videos and exercises. Keep exploring and have fun learning!
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