| suomeksi |
in English |
explanation |
| kehä |
circumference |
The length of the circle. |
| keskipiste |
centre |
The point that is equidistant from all points on the circle. |
| säde |
radius (plural: radii) |
A line segment that connects the centre and the circle. |
| jänne |
chord |
A line segment that connects two points on the circle. |
| halkaisija |
diameter |
A chord that passes through the centre. |
| keskuskulma |
central angle |
The angle between two radii. |
| kehäkulma |
inscribed angle |
The angle between two chords with a common end point. |
| kaari |
arc |
A section of a circle. |
| tangentti |
tangent |
A line that passes through the circle once and only once. |
| tangenttikulma |
angle between tangents |
An angle between two tangents. |
