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.
In later years, the Mogollon also lived in cliff dwellings. They might have gotten this idea from their neighbors to the north, the Ancestral Puebloans (Anasazi). The Mogollon lived in cliff dwellings around 1270 â 1300 AD. The cliff dwelling contained rooms for living, food storage and ceremonies. Often many families lived together in these homes.