GCSE Maths (AQA)

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Spheres

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Geometry and Measures Properties and Constructions

Spheres

2:19 Types of 3D Shape
Spec G12
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  • A sphere is a solid shape with one curved surface, no edges, and no vertices
  • A sphere is three-dimensional and round
  • 3D shapes are formed by surfaces called faces, edges are formed when two faces meet, and vertices are formed when two or more edges meet
  • A sphere is made of just one continuous face, so it doesn't have any edges or vertices
  • The line that extends from the center of a sphere to the surface is called the radius
  • Every point on the surface of a sphere is an equal distance from the center
  • Real-world examples of spheres include manmade objects like footballs and natural objects like the planet Earth
  • These objects are only approximately spherical, as they have imperfections in their surfaces
  • Real-world examples are good to be aware of, but not necessary for exams.

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