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.
Native Americans of the Mississippian culture inhabited the county long before Europeans arrived in the New World. The largest Mound Builder settlement was at Joara, a 12-acre (49,000 m 2) site and regional chiefdom near present-day Morganton.