line segment whose endpoints are any two points on a circle
sum of angles that equals 90 degrees
the perimeter of a circle
figures that have the same size and shape
Angles formed by a transversal cutting through 2 or more parallel lines that are in the same relative position.
The distance across a circle through its center.
A polygon with all sides congruent
any of the numbers that form a product when multiplied together
all the whole numbers and their opposites. no fractions
lines that cross at one point
numbers that can not be written as fractions
having two equal sides
the arithmetic average, obtained by adding the scores and then dividing by the number of scores.
The middle number in a set of numbers that are listed in order
The number that occurs most often in a set of data
the product of a given number and any whole number
not negative; a number that is either zero or positive
not positive; a number that is either zero or negative
lines that will never meet, no matter how long you stretch them (like railroad tracks!)
a quadrilateral with 2 pairs of parallel sides