Copy of Geometry Vocabulary Words
Published on Feb 06, 2016
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PRESENTATION OUTLINE
ACUTE ANGLE
AN ANGLE THAT HAS A MEASURE LESS THAN A RIGHT ANGLE.
LINE
A STAIGHT PATH OF POINTS THAT CONTINUES WITHOUT END IN BOTH DIRECTIONS.
LINE OF SYMMETRY
AN IMAGINARY LINE THAT DIVIDES A SHAPE INTO TWO CONGRUENT PARTS.
LINE SYMMETRY
WHAT A SHAPE HAS IF IT CAN BE FOLDED ABOUT A LINE SO THAT ITS TWO PARTS MATCH EXACTLY.
OBTUSE ANGLE
AN ANGLE THAT HAS A MEASURE GREATER THAN A RIGHT ANGLE.
RAY
A PART OF A LINE,WITH ONE ENDPOINT,THAT IS STRAIGHT AND CONTINUES IN ONE DIRECTION.
RIGHT ANGLE
AN ANGLE THAT FORMS A SQUARE CORNER AND HAS A MEASURE OF 90 DEGREES.
STRAIGHT ANGLE
AN ANGLE IN WHICH 2 RAYS POINT IN OPPOSITE DIRECTIONS SO THAT THEY FORM A LINE.
POINT
AN EXACT LOCATION IN SPACE.
LINE SEGMENT
A PART OF A LINE BETWEEN 2 ENDPOINTS.
ANGLE
IS FORMED BY 2 RAYS OR LINE SEGMENTS THAT HAVE THE SAME ENDPOINT.THE SHARED ENDPOINT IS THE VERTEX.
EQUILATERAL TRIANGLE
A TRIANGLE THAT HAS 3 EQUAL SIDES.
ISOSCELES TRIANGLE
A TRIANGLE THAT HAS 2 EQUAL SIDES.
SCALENE TRIANGLE
A TRIANGLE THAT HAS NO EQUAL SIDES.
INTERESTING LINES
LINES IN A PLANE THAT CROSS AT EXACTLY ONE POINT.THEY FORM 4 ANGLES.
PARALLEL LINES
LINES IN A PLANE THAT ARE ALWAYS THE SAME DISTANCE APART.THEY NEVER INTERSECT.
PERPENDICULAR LINES
LINES IN A PLANE THAT INTERSECT TO FORM 4 RIGHT ANGLES.
TRAPEZOID
HAS 1 PAIR OF PERELLEL SIDES AND 4 SIDES AND 1 LINE OF SYMMETRY.
PARALLELOGRAM
HAS 2 PAIRS OF PARALLEL SIDES.HAS 2 PAIRS OF SIDES WITH EQUAL LENGTH.
RHOMBUS
HAS 2 PAIRS OF PARALLEL SIDES,HAS 2 PAIRS OF SIDES OF EQUAL LENGTH.
RECTANGLE
HAS 2 PAIRS OF PARALLEL SIDES.
SQUARE
HAS 2 PAIRS OF PARALLEL SIDES ,HAS 4 SIDES OF EQUAL LENGTH AND HAS 4 RIGHT ANGLES.
TRIANGLE
HAS 3 SIDES AND 3 SIDES OF SYMMETRY.
HEXAGON
6 SIDES AND 6 LINES OF SYMMETRY.
