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Module 6

pentagon a polygon with 5 sides
perpendicular lines two lines that intersect to form a square corner
plane a flat surface with no boundaries
point a location that has no size
polygon a closed plane figure with straight sides; each side is a line segment
quadrilateral a polygon with 4 sides
radius the distance from the center of a circle to any point on the circle
ray part of a line with 1 endpoint
rectangle a polygon that has 2 pairs of opposite sides of equal length and 4 right angles
rectangular prism a three-dimensional figure with 6 faces that are rectangles
rectangular pyramid a three-dimensional figure with a base that is a rectangle and 4 triangular faces that meet at a point
reflection a movement of a figure to a new position by flipping the figure over a line
right angle an angle that forms a square corner
right triangle a triangle with 1 right angle
rotation a movement of a figure to a new position by turning the figure around a fixed point
side a line segment that is part of a shape
sphere a three-dimensional figure composed of the set of all points that are the same distance from a fixed point
square a polygon that has 4 equal sides and 4 right angles
square pyramid a three-dimensional figure with a square base and 4 triangular faces that meet at a point
straight angle an angle whose rays form a straight line
three-dimensional figure a figure that takes up space
transformation the movement of a figure by a slide, flip, or turn
translation a movement of a figure to a new position by sliding without turning or flipping it
triangle a polygon with 3 sides
vertex [Lesson 4] the point where 2 sides of a shape meet
vertex [Lesson 8] a point where edges meet
Created by: tnm1903