"Is to" usually indicates a ratio or a proportion. 5 is to 10 as 9 is to 18.
The Upside down T symbol indicates perpendicular lines.
What does length mean in math
The U symbol indicates a Union in set notation. This means that the resulting set is the combination of all unique items in the sets on either side of the symbol.
It is used in set theory and its meaning depends on the way that it is facing. If the open end is to the right then it indicates that the first set is a subset of the second. If the open end is to the left then it indicates that the first set is a superset of the second (the second is a subset of the first).
what does key mean in math
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HL in math mean hypotenuse leg
figure math means figure math
Communitive means of, or belonging to, a community. It has no meaning in math. Communative does not mean anything - in math or elsewhere.
the mean (in math) is the average of all the numbers in the problem
the DKM in math is dekometer ...