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Geometry Vocabulary

2-D shapes

Circle A two-dimensional figure where each part is the same distance from the center.
angle A part of a two-dimensional figure that is formed by two sides of the figure.
hexagon A polygon having 6 sides and 6 vertices.
octagon A polygon having 8 sides and 8 vertices.
pentagon A polygon having 5 sides and 5 vertices.
polygon A closed, two-dimensional figure with sides that are line segments.
quadrilateral A figure with four sides and four vertices.
rectangle A quadrilateral with opposite sides congruent and all angles equal.
side Is one of the line segments that make up a polygon.
square A rectangle with four equal sides and four equal angles.
triangle A polygon with 3 sides and 3 vertices.
vertex A point at which sides or edges of a figure meet.
two-dimensional figure A figure that has length and width. It is also called a plane figure.
parallelogram A quadrilateral with opposite sides that are parallel and of equal length and opposite angles that are equal.
rhombus A parallelogram with four equal sides and equal opposite angles.
trapezoid A quadrilateral with one pair of parallel sides.
Created by: cypress.third