Parallel
When lines never meet…….
Parabola
You are the form of…..
Palindromic Numbers
Their digits……
Outcome
The word used in …….
Ounce
For measuring mass……
Origin
You are the origin…..
Ordinal Numbers
You describe order……
Ordered Pair
When a pair…..
Order of a Node
The number of arc…..
Order of a Matrix
You are in a …..
Opposite Sides
Sides that are contrary…..
Opposite Angles
They are angles…..
Operation
You are a rule for…..
Ogive
You are an…..
Odds
The odds of an…..
Odd Numbers
A whole number….
Octahedron
I am the octahedron…..
Octagon
I am the octagon….
Obtuse Angle
I am an angle…..
Numerator
I am part….