| A | B |
|---|
| accurate | precisely correct; exact |
| angle | space between two lines or surfaces that meet |
| arc | any part of a circumference |
| calculate | to compute |
| estimate | to form a judgement or careful guess about something |
| formula | combination of mathematical symbols stating a rule |
| scholar | someone whose regular work is study or research |
| sphere | a round object; globe |
| axis | a straight line around which an object turns or seems to turn |
| circumference | the boundary line of a circle or the distance around a sphere |
| linear | of or involving a straight line or length |
| researched | investigating a topic for information |
