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Geometry Around Us
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Published on Nov 18, 2015
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PRESENTATION OUTLINE
1.
A POINT IS REPRESENTED BY A DOT AND NAMED BY A CAPITAL LETTER
This example works because it's a dot in space
Photo by
NASA's Marshall Space Flight Center
2.
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
3.
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
4.
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
5.
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
6.
RIGHT ANGLE
A right angle is equal to 90 degrees.
This example works because it is 90 degrees.
Photo by
tuchodi
7.
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
8.
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
9.
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.
10.
QUADRILATERAL
A quadrilateral is a four-sided polygon with four angles.
This example works because the door has 4 sides
Photo by
stebulus
11.
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
12.
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
13.
SECTOR
an area or portion that is distinct from others.
This example work because it is an portion distinct from the others.
Photo by
visit~fingerlakes
14.
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
15.
CYLINDER
a solid geometric figure with straight parallel sides and a circular or oval cross section.
This example works because it matches the definition.
Photo by
macrorain (sigberg)
16.
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
17.
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
18.
CUBE
a symmetrical three-dimensional shape, either solid or hollow, contained by six equal squares.
Photo by
FreddieBrown
19.
THE ENDππ
Photo by
*~Dawn~*
Taylor Haugen
Γ
Error!