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Geometry vocab part
maths words
Term | Definition |
---|---|
polygon | a many-sided 2D shape |
perpendicular | a line that is at right angles to another line |
parallel | parallel lines never meet; they are always equidistant |
horizontal | parallel to the horizon, a line going side to side |
vertical | at right angles to the horizon, a line going top to bottom |
quadrilateral | a four-sided 2D shape |
plane | a flat surface |
face | a side of a 3D shape. A cube has six faces |
vertex | the corner of a 3D shape. The plural is vertices |
regular shape | a shape whose lines are all equal length |
segment | the part of a line between two points |