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15 Cards in this Set

  • Front
  • Back
absolute value
The distance of a number from zero; the positive value of a number.
acute angle
A positive angle measuring less than 90 degrees.
acute triange
A triangle each of whose angles measures less than 90 degrees.
additive identity
A triangle each of whose angles measures less than 90 degrees.
additive inverse
The additive inverse of any number x is the number that gives zero when added to x. The additive inverse of 5 is -5.
adjacent angles
Two angles that share both a side and a vertex.
The union of two rays with a common endpoint, called the vertex.
A portion of the circumference of a circle.
The number of square units that covers a shape or figure.
associative property of addition
(a + b) + c = a + (b + c)
associative property of multiplication
(a + b) + c = a + (b + c)
A number that represents the characteristics of a data set.
axis of symmetry
A line that passes through a figure in such a way that the part of the figure on one side of the line is a mirror reflection of the part on the other side of the line.
The bottom of a plane figure or three-dimensional figure.
To divide into two congruent parts.