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# EDU225 Algebra Terms

TermDefinition
equivalent two things are basically the same
measure to figure out how much of it is there
perimeter the border of an enclosed space
ratio the relationship in quantity or degree between two things
right angle the 90 degree angle between two perpendicular lines
segment one of several pieces that together create a whole
polygon a closed shape with straight sides
square a figure with four equal sides and four right angles
rectangle any shape with four sides and four right angles
sum a quantity obtained by the addition of a group of numbers
triangle a three-sided polygon
surface area the extent of a 2-dimensional surface enclosed within a boundary