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REAL WORLD GEOMETRY
Jasmon Haggerty
2nd Block
POINT An undefined
term in geometry, it names a location and has no size
LINE (SEGMENT) A line with two
endpoints
PLANE It is a flat
surface that has no thickness and extends forever.
ANGLE A figure formed
by two rays with a common endpoint.
PERPENDICULAR LINES Lines that
intersect at 90° angles.
PARALLEL LINES Lines in the
same plane that do not intersect.
TRIANGLE A three-sided
ploygon
RIGHT TRIANGLE A triangle with
one right angle
PENTAGON A five sided
polygon
HEXAGON A six-sided
polygon
(a soccer net)
SQUARE A quadrilateral
with four congruent sides and four right angles
RECTANGLE A quadrilateral
with four right angles
TRAPEZOID A quadrilateral
with exactly one pair of parallel sides
(Trapezoid box)
PARALLELOGRAM A quadrilateral
with two pairs of parallel sides.
A part of a door
CIRCLE The set of all
points in a plane that are fixed distance from a given point called a center of a circle.
A button
CYLINDER A three-
dimensional figure with two parallel congruent circular bases and a curved later surface that connects the bases.
SPHERE The set of points
in space that are a fixed distance from a given point called the center of the sphere.
CONE A three-
dimensional figure with a circular base and a curved lateral surface that connects the base to a point called the vertex.
CUBE A prism with six
square faces.
PYRAMID A polyhedron
formed by a polygonal base and triangular lateral faces that meet at a common vertex.