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14 terms

Math terms

Basic math terminology
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parallelogram
a quadrilateral with 2 sets of sides that are parallel
quadrilateral
a polygon with four sides
polygon
a closed figure with straight lines
perpendicular
two lines that meet in a right angle
perimeter
the measurement around the edge of a figure
pentagon
a polygon with 5 sides
parallel lines
two straight lines that do not intersect
octagon
a polygon with 8 sides
rectangle
a parallelogram with 90 degree angles
rhombus
a parallelogram with congruent sides
right angle
a 90 degree angle
congruent
coinciding at all points when superimposed
equilateral triangle
a triangle with three sides congruent
hexagon
a polygon with 6 sides