| A | B |
|---|
| CIRCLE | A PLANAT FIGURE WITH ALL OF ITS POINTS EQUIDISTANT FROM A FIXED POINT |
| CUBE | A SQUARE RIGHT PRISM WHOSE LATERAL EDGES ARE THE SAME LENGTH AS A SIDE OF THE BASE |
| PARALLELOGRAM | ANY QUADRILATERAL WITH BOTH PAIRS OF OPPOSITE SIDES PARALLEL |
| POLYGON | A CLOSED PLANAR FIGURE WITH THREE OR MORE SIDES, BUT NOT AN INFINITE NUMBER |
| PRISM | A TYPE OF SOLID WITH 2 CONRUENT POLYGONS LYING IN PARALLEL PLANES FOR BASES AND WITH 3 OR MORE LATERL FACES |
| PYRAMID | A SOLID WITH 1 BASE WHOSE VERTICES ARE EACH JOINED BY LINE SEGMENTS TO A SPECIAL POINT NOT IN THE PLANE OF THE BASE;THESE SEGMENTS FORM THE EDGES FOR THE LATERAL FACES |
| SPHERE | THE SET OF ALL POINTS IN SPACE THAT ARE EQUIDISTANT FROM A FIXED POINT |
| TRAPEZOID | A QUADRILATERAL WITH ONLY ONE PAIR OF OPPOSITE SIDES PARALLEL |
