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GEOMETRY GT VOCAB
KNOW THESE WORDS
| Question | Answer |
|---|---|
| ANGLE BISECTOR | A RAY THAT DIVIDES AN ANGLE INTO TWO ANGLES THAT ARE CONGRUENT |
| ANGLE OF ELEVATION | WHEN YOU LOOK UP AT AN OBJECT, THE ANGLE THAT YOUR LINE OF SIGHT MAKES WITH A LINE DRAWN HORIZONTALLY |
| BASE ANGLES OF AN ISOSCELES TRIANGLE | THE TWO ANGLES THAT ARE ADJACENT TO THE BASE OF AN ISOSCELES TRIANGLES |
| EQUIANGULAR | ALL INTERIOR ANGLES CONGRUENT |
| EQUILATERAL POLYGON | A POLYGON WITH ALL OF ITS SIDES CONGRUENT |
| EXTERIOR ANGLES OF A TRIANGLE | WHEN THE SIDES OF A TRIANGLE ARE EXTENDED, THE ANGLES THAT ARE ADJACENT TO THE INTERIOR ANGLES |
| COLLINEAR POINTS | POINTS THAT LIE ON THE SAME LINE |
| COMPLEMETARY ANGLES | 2 ANGLES WHOSE MEASURES HAVE THE SUM OF 90 DEGREES |
| HEXAGON | A POLYGON WITH 6 SIDES |
| CONGRUENT ANGLES | ANGLES THAT HAVE THE SAME MEASURE |
| CONGRUENT FIGURES | 2 GEOMETRIC FIGURES THAT HAVE EXACTLY THE SAME SIZE AND SHAPE. |
| CONSECUTIVE INTERIOR ANGLES | 2 ANGLES THAT ARE FORMED BY 2 LINES AND A TRANSVERSAL AND LIE BETWEEN THE 2 LINES AND ON THE SAME SIDE |
| COPLANAR POINTS | POINTS THAT LIE IN THE SAME PLANE |
| HYPOTENUSE | IN A RIGHT TRIANGLE, THE SIDE OPPOSITE THE RIGHT ANGLE |
| DECAGON | A POLYGON WITH 10 SIDES |
| DILATION | A TRANSFORMATION THAT STRETCHES OR SHRINKS A FIGURES TO CREATE A SIMILAR FIGURE |
| DODECAGON | A POLYGON WITH 12 SIDES |
| ISOSCELES TRIANGLE | A TRIANGLE WITH AT LEAST 2 CONGRUENT SIDES |
| LINE SEGMENT | PART OF A LINE THAT CONSISTS OF 2 POINTS CALLED ENDPOINTS |
| MIDPOINT | A POINT THAT DIVIDES,BISECTS, A SEGMENT INTO 2 CONGRUENT SEGMENTS |
| N-GON | A POLYGON WITH N SIDES |
| OBTUSE ANGLE | AN ANGLE WHOSE MEASURE IS BETWEEN 90 AND 180 DEGREES |
| OCTAGON | A POLYGON WITH 8 SIDES |
| PARALLEL LINES | TWO LINES THAT DO NOT INTERSECT |
| PARALLELOGRAM | A QUADRILATERAL WITH BOTH PAIRS OF OPPOSITE SIDES ARE PARALLEL |
| PENTAGON | A POLYGON WITH 5 SIDSES |
| PERPENDICULAR BISECTOR | A SEGMENT,RAY,LINE, OR PLANE THAT IS PERPENDICULAR TO A SEGMENT AT ITS MIDPOINT |
| PERPENDICULAR LINES | TWO LINES THAT INTERSECT TO FORM A RIGHT ANGLE |
| PREIMAGE | THE ORIGINAL FIGURE IN A TRANSFORMATION |
| PROOF | A LOGICAL ARGUMENT THAT SHOWS A STATEMENT IS TRUE |
| QUADRILATERAL | A POLYGON WITH 4 SIDES |
| RAY | PART OF A LINE THAT CONSISTS OF A POINT CALLED AN ENDPOINT AND ALL POINTS ON THE LINE EXTEND IN ONE DIRECTION |
| RECTANGLE | A PARALLELOGRAM WITH 4 RIGHT ANGLES |
| REDUCTION | A DILATION WITH A SCALE FACTOR BETWEEN 0 AND 1 |
| REFLECTION | A TRANSFORMATION THAT USES A LINE OF REFLECTION TO CREATE A MIRROR IMAGE OF THE ORIGINAL FIGURE |
| REGULAR POLYGON | A POLYGON THAT HAS ALL SIDES AND ALL ANGLES CONGRUENT |
| RHOMBUS | A PARALLELOGRAM WITH 4 CONGRUENT SIDES |
| RIGHT ANGLES | AN ANGLE WITH MEASURE EQUAL TO 90 DEGREES |
| ROTATION | A TRANSFORMATION IN WHICH A FIGURE IS TURNED ABOUT A FIXED POINT CALLED THE CENTER OF ROTATION |
| ROTATIONAL SYMMETRY | A FIGURE CAN BE MAPPED ONTO ITSELF BY A ROTATION OF 180 DEGREES OR LESS ABOUT THE CENTER OF THE FIGURE |
| SCALE FACTOR OF A DILATION | THE RATIO OF A SIDE LENGTH OF THE IMAGE TO THE CORRESPONDING SIDE LENGTH OF THE ORIGINAL FIGURE |
| SEGMENT BISECTOR | A POINT,RAY, LINE, SEGMENT, OR PLANE THAT INTERSECTS A SEGMENT AT ITS MIDPOINT |
| SIMILAR POLYGONS | TWO POLYGONS SUCH THAT THEIR CORRESPONDING SIDES ARE PROPORTIONAL AND THEIR CORRESPONDING ANGLES ARE CONGRUENT |
| SINE | OPPOSITE/HYPOTENUSE |
| COSINE | ADJACENT/HYPOTENUSE |
| TANGENT | OPPOSITE/ADJACENT |
| SKEW LINES | LINES THAT DO NOT INTERSECT AND ARE NOT COPLANAR |
| SQUARE | A PARALLELOGRAM WITH FOUR CONGRUENT SIDES AND FOUR RIGHT ANGLES |
| STRAIGHT ANGLE | AN ANGLE WHOSE MEASURE EQUAL TO 180 DEGREES |
| SUPPLEMENTARY ANGLES | TWO ANGLES WHOSE SUM IS 180 DEGREES |
| TRANSLATION | A TRANSFORMATION THAT MOVES EVERY POINT OF A FIGURE THE SAME DISTANCE IN THE SAME DIRECTION |
| TRAPEZOID | A QUADRILATERAL WITH EXACTLY ONE PAIR OF PARALLEL SIDES CALLED BASES |
| TRANSVERSAL | A LINE THAT INTERSECTS TWO OR MORE COPLANAR LINES AT DIFFERENT POINTS |
| TRIANGLE | A POLYGON WITH 3 SIDES |
| VERTICAL ANGLES | TWO ANGLES WHOSE SIDES FORM TWO PAIRS OF OPPOSITE RAYS |
Created by:
DAYE
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