The sides of triangles do not have set names, except in the case of the right triangle (where one side opposite the right angle is called the hypotenuse). They are usually labâ¦elled arbitrarily a, b and c.
Mound Builders lived in the Ohio River Valley and in the Wisconsin area. Also, Mound Builders lived from the Great Lakes to the Gulf of Mexico and from the Mississippi and Missouri Rivers to the Appalachian mountains.
Pyramids and Average Ancient Egyptians. The construction of pyramids in ancient Egypt affected many peoples' lives in their exhaustive construction. First, priests and architects determined the location and came up with the design.Slaves weren't used to build these enormous tombs, but rather average citizens who worked in farming.he Era of Pyramid Construction. The ancient Egyptian civilization lasted for close to 4,000 years and more than 100 separate pyramid construction projects took place. However, the main pyramid-building era lasted for around a millennium, through the Old and Middle kingdoms.