| ANGLES | In geometry, spaces between intersecting lines, measured in degrees using protractors (6) |
| ANGLE | In geometry, space between two intersecting lines, measured in degrees with a protractor, for example (5) |
| BOMBAST | Brag about a degree using pompous language (7) |
| LATITUDE | Imaginary line measured in degrees |
| CALM | Collected a line measured in centimetres (4) |
| EMS | In what units are printed lines measured? (3) |
| RULERS | Measuring devices in geometry or maths sets with set squares, protractors and compasses (6) |
| SECANT | Intersecting line ending this case, can't. (6) |
| LAYERS | Rock strata; different coloured spaces between contour lines on topographic maps; hens kept for their eggs; or, clothes worn under others (6) |
| REGLET | Word, from French for "little rule", for a column of a page originally, later a narrow band separating mouldings; a fillet; or, a strip of wood for making white spaces between type in printing (6) |
| SQUARE | Set -; device often forming a school maths set with ruler, protractor and compass (6) |
| AISLES | Spaces between groups of seats |
| CRISSCROSS | Starts to cut rope using scissors in a pattern of intersecting lines (10) |
| RIGHTANGLE | The space between two intersecting lines that is equal to ninety degrees (5,5) |
| ARC | Geometry segment measured in degrees |
| LOFT | It's measured in degrees for golf clubs |
| LONGITUDE | Angular distance east or west of the prime meridian, measured in degrees, minutes and seconds (9) |
| ARCS | Some lines drawn with protractors |
| ELONGATE | Point to angle being formed, as protractors do? |
| CRISSCROSSED | Covered in intersecting lines |
