Representing Pyramids


 
 
Concept Explanation
 

Representing Pyramid

Pyramid:

 A pyramid is a polyhedron whose base is a closed polygon with any number of sides and other faces are triangles with a common vertex. If all corners of a polygon are joined to a point not lying in its plane, we get a pyramid.

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Sample Questions
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Question : 1

A pyramid has __________ 

Right Option : D
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Question : 2

A pyramid has __________ vertices and _______________ edges

Right Option : D
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Question : 3

Which of the following statements is/are not true:

1.Vertex: The common vertex of the triangular faces of a pyramid is called the base of the pyramid.

2. Height or Altitude: The height of a pyramid is the length of the perpendicular from the vertex to the base.

3. Slant Height:  The slant height of a regular right - pyramid is the line segment joining the vertex to the mid - point of anyone of the sides of the base.

4. Axis: The axis of a pyramid is the straight line joining the vertex to the central point of the base.

Right Option : B
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