The sphere is a perfect 3D shape with many uses in geometry, science, and real life. Mastering the formula for a sphere , knowing the difference between radius and diameter, and accurately calculating sphere volume and surface area can help you solve problems confidently. What is a sphere ? Learn the definition, meaning, properties and attributes of a sphere . Also learn formulas related to spheres and see examples of... A sphere is a round, three-dimensional object without any edges or vertices. every point on its surface is equal to its centre. The shape has an equal distance between any point on the surface and the centre of the sphere . Let’s find out spheres, their definition, properties, and real-world examples in detail Learn about the sphere shape , a three-dimensional round object with no edges or vertices. Find out the formulas for radius, diameter, circumference, surface area, and volume of a sphere , and see examples and properties of spheres.