2.  The outer boundary of a circle or other curvilinear figure is…… circumference  One part or unit of each hundred or a fraction is called a…… percent  A mathematical that contains operations numbers, and/or variables……… expressi on  An angle greater than 90 degrees but less than 180 degrees…. obtuse angle  The middle value in a series of numbers…… median  An angle less than 90degrees…… acute angle  A polygon with 5 sides and 5 angles….. pentagon

3.  The x- and y- axes divide the coordinate plane into four regions is……. quadrant  In statistics the value appearing the most often in a set of values is called….. mode  The length of the line that passes through the center of a circle is….. diameter  One of the numbers of an ordered pair….. coordinate  The outward appearance of something as characterized by its outline…. shape  The amount of expanse of a flat or curved surface….. area  A proportional relation between numbers or things based on the amount or degree….. ratio  The geometric figure made by two lines extending out from a single point….. angle

4.  2 angles whose sum = 90degrees…… complementary angles  Having a resemblance or likeness…. similar  One of the surfaces of an object…… side  A part or fraction of a whole….. proportion  Exactly the same size and shape……. congruent  To be similar in structure, position, purpose and in relation….. correspon d  An angle that measures 90 degrees… right angle

5.  1 of 2 angles that equal 180 degrees when added together….. supplementary angles  The result when 1 number is divided by another……. quotient