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# Geometry In The Real World!

## on Dec 11, 2009

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Legacy High School

Legacy High School
Mrs. Sykes
Geometry5
Samantha Lassiter

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## Geometry In The Real World!Presentation Transcript

• Geometry in the Real World! Sam Lassiter Period-5
• Point!
• Definition: A point is an exact position or location on a plane surface.
• Line!
• Definition: A line segment is a part of a line that is bounded by two end points, and contains every point on the line between its end points.
• Plane!
• Definition: A surface containing all the straight lines that connect any two points on it.
• Angle!
• Definition: A shape, formed by two lines or rays diverging from a common point.
• Perpendicular Lines!
• Definition: Two lines that intersect to form a 90 degree angle.
• Parallel Lines!
• Definition: Parallel lines remain the same distance apart over their entire length.
• Triangle!
• Definition: A three sided polygon.
• Right Triangle!
• Definition: A right triangle is where there are two 45 degrees angles and one 90 degree.
• Pentagon!
• Definition: A plane figure having five angles, and consequently, five sides; any figure having five angles.
• Hexagon!
• Definition: A polygon with 6 sides.
• Square!
• Definition: A plane figure having equal sides.
• Rectangle!
• Definition: A rectangle is a four-sided polygon where every angle is a right angle.
• Trapezoid!
• Definition: A quadrilateral having two parallel sides.
• Parallelogram!
• Definition: Opposite sides are parallel and equal in length, and opposite angles are equal.
• Circle!
• Definition: A plane curve everywhere equidistant from a given fixed point, the center.
• Cylinder!
• Definition: An object or shape with straight sides and circular ends of equal size.
• Sphere!
• Definition: A three-dimensional surface, all points of which are equidistant from a fixed point.
• Octagon!
• Definition: A plane figure with eight angles and eight sides.
• Polygon!
• Definition: A closed plane figure bounded by three or more line segments.
• Parabola!
• Definition: A plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the cone or by the locus of points equidistant from a fixed line and a fixed point not on the line.