It is from Classical Greece, and means a 2-dimensional figure.
.e.g. Trigon ( Triangle)
Pentagon ; 5 sided figure
Octagon ; 8 sided figure.
Polygon ; many sided figure.
principal(in terms of math)- the amount you borrow or deposit
HL in math mean hypotenuse leg
ask your math teacher
It
turning
Milimeters
milligrams
dami
horizontal
orgin
A rhombus.
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