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Chptr 11 vocab-5 #2

Chapter 11 vocabulary - 5th grade

congruent Having the same size and shape
similar Figures that have the same shape but not the same size
polygon A closed figure formed by three or more line segments
regular polygon a polygon with all sides and all angles equal
equilateral triangle A triangle with three congruent sides
isosceles triangle a triangle with two equal sides
scalene triangle a triangle with no congruent sides
acute triangle A triangle with 3 acute angles
obtuse triangle a triangle with one obtuse angle
right triangle a triangle with one right angle
quadrilateral a polygon with four sides
trapezoid a quadrilateral with exactly one pair of parallel sides
rectangle A quadrilateral with two pairs of parallel sides, opposite sides are congruent and four right angles.
square A parallelogram with four congruent sides and four right angles.
rhombus a parallelogram with all sides congruent
pentagon a polygon with 5 sides
hexagon a polygon with 6 sides
heptagon 7 sided polygon
octagon a polygon with 8 sides
nonagon 9 sided polygon
decagon 10 sided polygon
Created by: chicks5pvi