| A | B |
| Bisect | to divide into two parts of equal size |
| Circumscribed | to draw one geometric figure around another figure |
| Concentric | having a common center |
| Ellipse | a closed curve in the form of a symmetrical oval |
| Equilateral triangle | three sides having equal length |
| Hexagon | a six-side figure with each side forming a 60° angle |
| Inscribed | to draw one geometric figure within another figure |
| Octagon | an eight-sided geometric figure with each side forming a 45° angle |
| Pentagon | a five-side geometric figure with each side forming a 72° angle |
| Regular polygon | a geometric shape having all sides equal in length and all interior and exterior angles equal |
| Tangent | a term used to describe a line, arc, or circle that comes into contact with an arc or circle at a single point |