Question
Define the following terms: [3 MARKS]
a. Vertices
b. Edges
c. Faces
Answer: Option A
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Definition: 1 Mark each
a. A vertex (plural: vertices) is a point where two or more straight lines meet. E.g. The 8 corners of the cube are its vertices.
b. An edge is a line segment that joins two vertices. E.g. The 12 line segments that form the skeleton of the cube are its edges.
c. A face is any of the individual surfaces of a solid object. E.g. The 6 flat square surfaces of the cube are its faces.
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