What is the sum of the total number of vertices of Sphere, the total number of vertices of Cone and the total number of vertices of Cube?
A
8
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B
9
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C
10
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D
11
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Solution
The correct option is B 9
The common endpoint of two or more rays or line segments is known as Vertex.
Cube has 8 Vertices as in the figure below. Cone has 1 Vertex as in the figure below. Sphere has 0 Vertices as in the figure below. ∴ Number of vertices of Cube + Number of vertices of Cone + Number of vertices of Sphere = 8 + 1 + 0 = 9