How would constructing these pillars of Aksum be similar to constructing the pyramids in Egypt?

Together with a series of other granite obelisks of similar design in the North Stelae Park, located in the northern highlands of Ethiopia, the Aksum Obelisk is about 79 feet high, weighs 160 tons and was built from a block of granite.

Explanation:

It has been identified that their purpose to act as "markers" for underground burial chambers, as it is a real necropolis used by several dynasties before the Christian era. The largest monoliths represent tomb markers for royal funeral tombs and they were decorated with false multi-story windows and false doors, while the lesser nobility are the smallest and least decorated small ones.

Answer and Explanation:

The obelisk or pillar may be a long, four-sided, narrow-topping monument that ends on a pyramid-like structure or pyramid. They were called Tekno by their architects, the traditional Egyptians. The Greeks used the Greek term 'obelisks' to explain them, and therefore the word went into Latin and eventually into English. Ancient obliques are monopolies. That is, they contain just one stone. The latest obelisks are made from many stones.

Due to the shortage of timber, the most building materials utilized in ancient Egypt were solar kiln brick and stone, mainly limestone, but also large quantities of sandstone and granite.

One among them has attracted the world's attention for a century, often mentioned simply because of the Axum Obelisk.

Although not a technical obelisk, which is defined by a pyramidal top piece, the large stele that demonstrated Axum's wealth and power is impressive. The stele is around 79 feet tall, solid block of weather-resistant stone, almost like granite. This stone is believed to possess come from a quarry several miles south of the town.