Geometry_Shapes.txt
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what is this called?
 Point
 A POINT is represented by a dot.

Define the word GEOMETRY
 The study of space (distance).
 Geometry is a branch of mathematics which involves the measuring of shapes. The word Geometry actually means "to measure the earth."

What is this called?
 Line Segment
 A LINE SEGMENT is represented by a group of points having tow endpoints. LINE SEGMENTS of the same length are congruent.

What is this called?
 Line
 A LINE is represented by a group of points having no endpoints. A line extends indefinitely in two opposite directions.

What is this called?
 Ray
 A RAY is represented by a group of points having one endpoint. A RAY extends indefinitely in one direction.

What is this called?
 Angle
 An ANGLE is two rays that share a common endpoint. The common endpoint is called the vertex.

What is this called?
 Intersecting Lines
 INTERSECTING LINES are lines that cross each other at some point.

What are these lines called?
 Perpendicular Lines
 PERPENDICULAR LINES are intersecting lines that form four right angles.

What is a PLANE?
A PLANE is represented by a smooth, flat surface that has no thickness and extends indefinitely in all directions.

What are these lines called?
 Parallel Lines
 PARALLEL LINES are lines that never intersect.

What are these shapes?
 Simple Closed Figures
 SIMPLE CLOSED FIGURES do not have a point of intersection.

What are these shapes?
 Similar Figures
 SIMILAR FIGURES have the same shape but not the same size.

What are these shapes?
 Congruent Figures
 CONGRUENT FIGURES have the same size and shape.

What are these shapes?
 Polygons
 A POLYGON is a simple closed figure made up of line segments.

what is this shape?
 Triangle
 A TRIANGLE is a polygon with 3 sides.

What is this shape?
 Quadrilateral
 A QUADRILATERAL is a polygon with 4 sides.

What is this shape?
 Parallelogram
 A PARALLELOGRAM is a quadrilateral having opposite sides which are parallel.

What is this shape?
 Rectangle
 A RECTANGLE is a parallelogram having 4 right angles. The box in the corner means perpendicular lines forming a right angle.

What is this shape?
 Square
 A SQUARE is a rectangle having 4 congruent sides. The double line segments on each side means they are congruent.

What is this shape?
 Rhombus
 A RHOMBUS is a parallelogram having 4 congruent sides.

What is this shape?
 Trapezoid
 A TRAPEZOID is a quadrilateral having only 2 sides that are parallel.

What is this shape?
 Pentagon
 A PENTAGON is a polygon having 5 sides.

What is this shape?
 Hexagon
 A HEXAGON is a polygon having 6 sides.

What is this shape?
 Octagon
 A OCTAGON is a polygon having 8 sides.

What is this shape?
 Heptagon
 A HEPTAGON is a polygon having 7 sides.

What are the points called where the sides of the polygon meet? (point A, B, C or D)
Vertexes

What is the line called that joins two opposite vertexes (line BD)?
 Diagonal
 A DIAGONAL is not a side.

What is this shape?
 Heptagon
 A HEPTAGON is a polygon having 7 sides.

What is this shape?
 Heptagon
 A HEPTAGON is a polygon having 7 sides.

What is this shape?
 Hexagon
 A HEXAGON is a polygon having 6 sides.

What is this shape?
 Hexagon
 A HEXAGON is a polygon having 6 sides.

What is this shape?
 Octagon
 A OCTAGON is a polygon having 8 sides.

What is this shape?
 Octagon
 A OCTAGON is a polygon having 8 sides.

What is this shape?
 Pentagon
 A PENTAGON is a polygon having 5 sides.

What is this shape?
 Pentagon
 A PENTAGON is a polygon having 5 sides.