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15 terms

Geometry - polygons with pictures - KT

STUDY
PLAY
Square
4 equal sides. 90 degree angles.
Rectangle
quadrilateral. 90 degree angles.
Quadrilateral
4-sided polygon
Triangle
3-sided polygon
parallelogram
4-sided quadrilateral. 2 pairs of parallel lines
trapezoid
4-sided quadrilateral. 1 pair of parallel lines
rhombus
4 equal-sided polygon
polygon
many-sided figure, closed, straight line segment
regular polygon
polygon with congruent sides and congruent angles
irregular polygon
polygon without all congruent sides
pentagon
5-sided polygon
hexagon
6-sided polygon
heptagon
7-sided polygon
octagon
8-sided polygon
nonagon
9-sided polygon