absolute value
a real number regardless of its sign |
acute triangle
a triangle whose interior angles are all acute |
bisector
the line that divides something into two equal parts |
corresponding angles
when two lines are crossed by another line, the angles in matching corners |
discount
give reduction in price on; an amount or percentage deducted |
equilateral triangle
a three-sided regular polygon |
experimental probability
the ratio of the number of outcomes in which a specified event occurs to the total number of trials, not in a theoretical sample space but in an actual experiment. |
exponential notation
scientific notation, a way of writing numbers that are too big or too small to be conveniently written in decimal form |
exterior angles
the angle between a side of a rectilinear figure and an adjacent side extended outward |
interest
the power of attracting or a fixed charge for borrowing money; usually a percentage of the amount borrowed |
interior angles
the angle between adjacent sides of a rectilinear figure |
isosceles triangle
a triangle with two equal sides |
negative
less than zero; having a negative charge; reckoned in a direction opposite to that regarded as positive |
obtuse triangle
a triangle that contains an obtuse interior angle |
outcome
result; end or consequence; result of a random trial |
permutations
rearrangement of the elements of a set |
positive
involving advantage or good ; greater than zero; very sure; confident |
radical sign
a sign indicating the extraction of a root |
ratio
relation which one quantity or magnitude has to another of the same kind; rate; proportion |
regular polygon
a polygon with all sides and all angles equal |
rhombus
a parallelogram with four equal sides; an oblique-angled equilateral parallelogram |
right triangle
a triangle with one right angle |
scale factor
a number used as a multiplier in scaling |
scalene triangle
a triangle with no two sides of equal length |
theoretical probability
the probability that a certain outcome will occur, as determined through reasoning or calculation. |
transversal
extending or lying across; in a crosswise direction; at right angles to the long axis |
unit rate
the estimated market value contribution for each unit of an improvement |
vertical angle
either of two equal and opposite angles formed by the intersection of two straight lines |
