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Question 1 of 5
1
of 5
1. What is the definition of the 'apex' of a 3-D shape?
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An apex is a flat or curved surface of the 3-D shape.
An apex is the corner of a 2-D shape.
An apex is the corner where edges of the 3-D shape meet.
An apex is the vertex at the top of the shape.
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