| A | B |
| circumference | distance around the outside of a circle |
| perimeter | distance around the outside of a geometric shape |
| chord | shortest distance between two points on a circle |
| radius | distance from the mid point of a circle to a point on the circle |
| diameter | distance between two points which passes through the midpoint |
| * C=3.14xd | formula for the circumference of a circle |
| * P=2(l)+2(w) | formula for the perimeter of a rectangle |
| *P=a+b+c+d | formula for perimeter of a four sided figure |
| *P=4(l) | perimeter of a square |
| artifacts | an ancient manmade object |
| civil war | war between people of the same country |
| Maya | ancient Mexican culture which collapsed due to civil wars |
| Toltec | ancient Mexican culture that brought the bow and arrow to Mexico |
| Aztec | Mexican culture that the Spanish encountered and enslaved |
| equation | a mathematical formula |
| aqueduct | channel for conducting water to crops and homes |
| *** Quetzacoatl | feathered serpent god of the Mexican cultures |
| *** Tenochtitlan | capital city of the Aztecs |