- Type of geometry (e.g. ANALYTICAL with 10 letters)
- ___ section (geometry topic) (CONIC with 5 letters)
- Shortening, say (OLEO with 4 letters)
- Novel about really difficult geometry? (THEKILLERANGLES with 15 letters)
- Geometry-class calculation (AREA with 4 letters)
- Geometry figure? (EUCLID with 6 letters)
- Conic lines in geometry (POLARS with 6 letters)
- Geometry prefix (e.g. DECA with 4 letters)
- ___ geometry (PLANE with 5 letters)
- Geometry-quiz directive (TRISECT with 7 letters)