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18 Cards in this Set
 Front
 Back
standard form

a # written with commas seperating groups of 3 digits
1,255,450 

sum

answer to addition problem


side

2 rays that form an angle


angle

2 rays witha common endpoint called the vertex


vertex

the point of the intersection of 2 sides of a polygon


right angle

angle that measures 90 degrees


straight angle

angle that measures 180 degrees


acute angle

angle measures less than 90 degrees


obtuse angle

angle measures greater than 90 but less than 180 degrees


parallelogram

quadrilaterl with both pairs of opposite sides equal in length and parallel


rectangle

a parallelogram with 4 right angles


rhombus

a parallegram with all sides the same length
slanted square 

square

a rectangle with all sides the same length


trapezoid

a quadrilateral with only one pair of paralled sides


congruent

figures that have the same size and shape


slide

a change in position that moves a figure up, down, or over


flip

a change in position that produces a mirror image of a figure


turn

a change of position that rotates a figure around a point
