The structures that are triangular on the outer side and have a steep point at the top side is called a pyramid and their bases can be a polygon, quadrilateral or trilateral.
Pyramids are monarchical tombs with four triangle-shaped sides that meet at a juncture on top.
The pyramids can be explained as:
- During the early Egyptian civilization, the architectural work and civic structure were extravagant and the pyramids were the most dominant and sublime human-made structures ever.
- Pyramids were built for religious purposes and it was believed by the people that the second life after the death lived so that the pyramids were built for them.
Therefore, option D. pyramids are royal tombs with four triangle-shaped sides that meet at a point on top.
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