
The side faces of a pyramid are
(a) Polygon
(b) Square
(c) Triangle
(d) Trapezium.
Answer
525.3k+ views
Hint: Try to recall the structure of the pyramid and focus on the shape of its side faces. Remember that the shape of the base of a pyramid is different and the shape of the side faces of a pyramid is different.
Complete step-by-step answer:
Let us start the solution by knowing the structural property of a pyramid and drawing a representative diagram of it. In general the word pyramid refers to the ancient monuments built by the Egyptians to preserve the mummies. In mathematics, the word pyramid refers to a polyhedron which consists of a polygon as its base and the triangles forming its side faces. The side faces meet at a single point called the apex of the pyramid. The side faces of the pyramid are also called its lateral faces.
Now let us draw a diagram for better visualisation.
So, looking at the properties and the diagram, we can conclude that the side faces of a pyramid are triangles and the answer to the above question is option (c).
Note: Don’t get confused between a pyramid and a prism. In the case of prisms the side faces are rectangles while in case of pyramids the side faces are triangles. Also, the prism doesn’t consist of any apex point as that of the pyramid.
Complete step-by-step answer:
Let us start the solution by knowing the structural property of a pyramid and drawing a representative diagram of it. In general the word pyramid refers to the ancient monuments built by the Egyptians to preserve the mummies. In mathematics, the word pyramid refers to a polyhedron which consists of a polygon as its base and the triangles forming its side faces. The side faces meet at a single point called the apex of the pyramid. The side faces of the pyramid are also called its lateral faces.
Now let us draw a diagram for better visualisation.

So, looking at the properties and the diagram, we can conclude that the side faces of a pyramid are triangles and the answer to the above question is option (c).
Note: Don’t get confused between a pyramid and a prism. In the case of prisms the side faces are rectangles while in case of pyramids the side faces are triangles. Also, the prism doesn’t consist of any apex point as that of the pyramid.
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