The labelling of the lines tells you what they represent.
They are the x and y planes
Cartesian coordinate system (APEX) CHEATER
axesaxes
they are perpendicular.
perpendicular, 2
by crossing two number lines perpendicularl
Cartesian coordinate system (APEX) CHEATER
lines
The axes.
None ya
axesaxes
they are perpendicular.
perpendicular, 2
by crossing two number lines perpendicularl
x & y
Cartesian coordinate system
axes or, singular, axis.
Cartesian coordinate system