Mdkdks
Published on Nov 25, 2015
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PRESENTATION OUTLINE
POINT
A PRECISE LOCATION OR PLACE ON A PLANE. USUALLY REPRESENTED BY A DOT.
LINE
A GEOMETRICAL OBJECT THAT IS STRAIGHT, INFINITELY LONG AND INFINITELY THIN.
PLANE
A FLAT SURFACE ON WHICH A STRAIGHT LINE JOINING ANY TWO POINTS
COLLINEAR POINTS
THE POINTS LYING ON THE SAME LINE ARE CALLED COLLINEAR POINTS.
COLLINEAR POINTS
DEFINITION: A SET OF POINTS THAT LIE IN A STRAIGHT LINE
COPLANAR
IN THE SAME PLANE.
SEGMENT
A STRAIGHT LINE WHICH LINKS TWO POINTS WITHOUT EXTENDING BEYOND THEM
RAY
A PORTION OF A LINE WHICH STARTS AT A POINT AND GOES INFINITIVE
PARALLEL LINES
LINES ARE PARALLEL IF THEY LIE IN THE SAME PLANE, AND ARE THE SAME DISTANCE APART OVER THEIR ENTIRE LENGTH
SKEW LINES
: STRAIGHT LINES THAT DO NOT INTERSECT AND ARE NOT IN THE SAME PLANE
CONGRUENT SEGMENTS
LINE SEGMENTS THAT HAVE THE SAME LENGTH.
MIDPOINT OF A SEGMENT
VERTICAL ANGLES
EACH OF THE PAIRS OF OPPOSITE ANGLES MADE BY TWO INTERSECTING LINES.
COMPLIMENTARY ANGLES
DEFINITION: TWO ANGLES THAT ADD UP TO 90°
SUPPLEMENTARY ANGLES
TWO ANGLES THAT ADD UP TO 180°
