| Answer | Crossword Clue |
|---|---|
| CONICS | Theory of a branch of geometry. |
| geometries | GEOMETRY, a branch of mathematics |
| RIEMANN | German mathematician for whom a branch of geometry is named |
| conics | (used with a sing. v.) the branch of geometry that deals with conic sections |
| combinatorics | The branch of mathematics dealing with combinations of objects belonging to a finite set in accordance with certain constraints, such as those of graph theory |
| stereographies | branch of solid geometry dealing with the construction of regularly defined solids |
