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Topic Content:
- Basic Properties of Some Solid (3D) Figures
- Cuboid
- Cube
- Cylinder
- Cone
- Sphere
- Pyramid
- Triangular-based Prism
- Relationship between the numbers of Faces (F) Vertices (V) and Edges (E)
Solid figures are three-dimensional (3D) objects. What this means is solid shapes have width, depth, and height.
Basic Properties of Some Solid 3D Figures:
Faces, Edges, and Vertices of Solids:
(i) Face: A face is a flat surface. Faces can be square, rectangular or circular.
(ii) Edge: The edge of a solid figure is the line segment where two faces meet.
(iii) Vertex: The corners where the edges meet are called vertices.
1) Cuboid:
Properties of Cuboid:
- A cuboid has 6 faces.
- A cuboid has 12 edges.
- A cuboid has 8 Vertices.
- It has rectangular faces.
Examples: Shoebox, cereal box, jewellery box
2) Cube:
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