8th Grade Vocab Book
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Quarter 1
A - H
I - Q
R - Z
Quarter 2
A - H
I - Q
R - Z
Quarter 3
A - H
I - Q
R - Z
Quarter 4
A - H
I - Q
R - Z
Radical Sign
The symbol, used to indicate a root.
Radicand
The number underneath a radical sign.
Range
The difference between the greatest number and least number in a set of data.
Real Numbers
The set of rational numbers and irrational numbers together.
Regular Polygon
A polygon that has all sides congruent and all angles congruent.
Similar Figures
Figures that have the same shape but not the same size.
Similar Triangles
Triangles that have the same shape but different sizes they are called similar triangles.
Square Root
A number that when multiplied by itself, equals the given number.
Supplementary Angles
Two angles whose measures have a sum of 180
Theorem
A rule in mathematics.
Transversal
A line that intersects two or more other lines to form eight angles.
Vertical Angles
Angles formed when two lines intersect. These are the angles opposite each other.