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littleg.ward
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Angle that measures 90 degrees
right angle

The average of the given data

Angle whose measure is greater than 90 degrees but less than 180 degrees
Obtuse angle

Angles in the same relative position when parallel lines are cut by a transversal
corresponding angles

Chosen without any pattern or plan
random

Comparison of 2 sets of data, based on the common first digits
back2back stem and leaf plots

Closed plane figure formed by 3 or more lines segments thats intersect only at their endpoints
polygon

Chosen according to a rule, pattern, or formula
systematic

Distance around a circle
circumference

Display of data grouping the values by first digits, with last digits listed individually
stem and leaf plot

Difference between the greatest and least values of data
range

Distance around the outside of a polygon
perimeter

The data value that occurs most often
mode

An exact location in space
point

Entire group being studied
population

A flat surface that extends forever
plane

Figure formed by 2 rays with a common endpoint called the vertex
angle

Graph that shows the frequency of data within equal intervals
histogram

Graph with vertical or horizontal bars
bar graph

Graph that uses line segments to display changes in data
line graph

Graph devised from highest and lowest quartiles to depict the middle half of the data
box & whisker plot

Having the same size and shape
congruent

The horizontal change when the slope of a line is expressed as the ratio of "rise over run"
run

Lines in a plane that do not intersect
parallel lines

Lines with 0 slope
horizontal lines

Lines that intersect two or more lines
transversal

Line segment with one endpoint at the center of the circle and the other endpoint on the circle
radius

Lines with undefined slopes
vertical lines

Line segment that passes through the center of a circle and has both endpoints on the circle
diameter

Lines that intersect to form right angles
perpendicular

The middle value or number in the set data
median

A measure of the steepness of a line on a graph the rise divided by the run
slope

A number of squares units in a figure
area

A pair of opposite congruent angles formed by intersecting lines
vertical

Part of a line between two endpoints
line segment

Polygon with congruent sides and angles
regular polygons

Pairs of angles on the outer sides and angles
alternate exterior angles

Parallelogram with four right angles
rectangle

Part of a line that starts at one endpoint and extends forever
ray

