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Slide Notes

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Geometry Around Us

Published on Nov 18, 2015

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PRESENTATION OUTLINE

  • A POINT IS REPRESENTED BY A DOT AND NAMED BY A CAPITAL LETTER
  • This example works because it's a dot in space

LINE

  • Part of a line that is bounded by two distinct end points, and contains every point on the line between its end points
  • This example works because they are lines with end points
Photo by EJP Photo

RAY

  • A ray is part of a line, has one fixed endpoint, and extends infinitely along the line from the endpoint.
  • This example works because there is a starting point but no ending point
Photo by JefferyTurner

PLANE

  • A plane is a flat surface that is infinitely large and with zero thickness.
  • This example works because it is a flat surface with zero thickness
Photo by dklimke

ANGLE

  • A geometric figure formed by two lines that begin at a common point or by two planes that begin at a common line
  • This example works because it is 2 lines that begin at a common point.
Photo by zebble

RIGHT ANGLE

  • A right angle is equal to 90 degrees.
  • This example works because it is 90 degrees.
Photo by tuchodi

PARALLEL LINES

  • Two lines in a plane that do not intersect or touch at any point are said to be parallel.
  • The example works because it they do not intersect.
Photo by camknows

PERPENDICULAR LINES

  • Two lines that intersect and form right angles are called perpendicular lines.
  • This works because they intersect and form a right angle.
Photo by mikecogh

TRIANGLE

  • a plane figure with three straight sides and three angles.
  • This example works because it is a figure with three straight sides & 3 angles.
Photo by Matt. Create.

QUADRILATERAL

  • A quadrilateral is a four-sided polygon with four angles.
  • This example works because the door has 4 sides
Photo by stebulus

POLYGON

  • a plane figure with at least three straight sides and angles, and typically five or more.
  • This example works because it has 3 or more sides
Photo by saxarocks

CIRCLE

  • a round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the center).
  • This example works because it matches the definition of a circle
Photo by Bert Kaufmann

SECTOR

  • an area or portion that is distinct from others.
  • This example work because it is an portion distinct from the others.

SPHERE

  • a round solid figure, or its surface, with every point on its surface equidistant from its center.
  • This example works because it is a round solid figure.
Photo by davedehetre

CYLINDER

  • a solid geometric figure with straight parallel sides and a circular or oval cross section.
  • This example works because it matches the definition.

CONE

  • a solid or hollow object that tapers from a circular or roughly circular base to a point. volcanic origin.
  • It's a traffic "cone"
Photo by shalf

PYRAMID

  • a monumental structure with a square or triangular base and sloping sides that meet in a point at the top, especially one built of stone as a royal tomb in ancient Egypt.
Photo by MrOmega

CUBE

  • a symmetrical three-dimensional shape, either solid or hollow, contained by six equal squares.
Photo by FreddieBrown

THE ENDπŸ˜ŠπŸ’œ

Photo by *~Dawn~*