One geometry word that starts with the letter "x" is "x-axis." In the Cartesian coordinate system, the x-axis is the horizontal line that represents the values of the independent variable. It is perpendicular to the y-axis, which represents the dependent variable values. The x-axis helps define the position of points in two-dimensional space.
xylophone
Xenon is a chemical element. It begins with the letter x.
A river strating with X in Brazil is Xingu.xingu
Xianjindao is a volcano in North Korea. It begins with the letter x.
Xebec, xenia, xeric, xi, xylene and xylose are words. They begin with the letter x.
mk
bisector
X-axis and x-intercept start with x.
width
Angle Apothem AxesAxiom
I think vertex...
nonagon
A word that starts with X is a xylophone.
centagan: 100-gon
in geometry, width
How about a decagon which is a ten sided polygon
The word you are looking for is:Trigonometry