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21 Cards in this Set

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WHAT ARE UNDEFINED TERMS?
SO BASIC THAY CANNOT BE DEFINED, BUT CAN BE DESCRIBED SUCH AS:
POINT, LINE AND PLANE.
POINT
AN UNDEFINED TERM. A SPECIFIC PLACE IN SPACE. NO DIMENSION,LENGTH,WIDTH,OR DEPTH.
DOT ON PAPER WITH SINGLE CAPITAL LETTER
LINE
SET OF CONTINUOUS POINTS THAT EXTEND INDEFINITELY IN EITHER DIRECTION. ALWAYS REFERS TO A STRAIGHT LINE.
TWO-ENDED ARROW OVER LETTERS
TELLS YOU THAT THE LETTERS ARE DESCRIBING A LINE.
PLANE
A FLAT SURFACE THAT EXTENDS INFINITELY IN ALL DIRECTIONS.
A FOUR SIDED FIGURE.
DEFINED TERMS
BASIC TERMS THAY CAN BE DEFINED, SUCH AS: RAY, OPPOSITE RAYS, PARALLEL LINES, ETC.
LINE SEGMENT
PART OF A LINE WITH TWO ENDPOINTS.
TWO LETTERS WITH A BAR OVER THEM TO INDICATE A LINE SEGMENT
RAY
ONE ENDPOINT THAT EXTENDS INFINITELY IN THE OTHER DIRECTION. A SMALL ARROW ON TOP OF THE TWO LETTERS SHOULD SHOW DIRECTION
OPPOSITE RAYS
TWO RAYS WITH THE SAME ENDPOINT AND FORM A STRAIGHT LINE
PARALLEL LINES
TWO LINES IN THE SAME PLANE THAT DO NOT EVER INTERSECT
COLLINEAR POINTS
POINTS THAT LIE ON THE SAME LINE
NONCOLLINEAR POINTS
POINTS THAT DO NOT LIE ON THE SAME LINE
TRUE/FALSE
1. A RAY HAS ONE ENDPOINT
2. POINTS THAT LIE ON THE SAME LINE ARE CALLED LINEAR.
3. A LINE IS ALWAYS STRAIGHT.
1. TRUE
2. FALSE
3. TRUE
ANGLE
PAIR OF TWO RAYS THAT HAVE THE SAME ENDPOINT. RAYS ARE THE SIDES OF THE ANGLE.
VERTEX OF THE ANGLE
THE ENDPOINT WHERE TWO RAYS MEET
POLYGON
CLOSED FIGURE WITH THREE OF MORE SIDES THAT INTERSECT ONLY AT THEIR ENDPOINTS. THE SIDES ARE LINE SEGMENTS.
CONGRUENT
TWO SHAPES THAT ARE EXACTLY BOTH THE SAME SIZE AND
THE SAME SHAPE
PERIMETER OF A POLYGON
SUM OF THE MEASUREMENTS OF ALL SIDES OF THE POLYGON
AREA
NUMBER OF SQUARE UNITS THE FIGURE CONTAINS
RATIO
TWO NUMBERS DIVIDED
A DIVIDED BY B
PROPORTION
EQUATION THAT SETS TWO RATIOS EQUAL.
A DIVIDED BY B
EQUALS
C DIVIDED BY D