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17 Cards in this Set
 Front
 Back
TRANSVERSAL

A LINE THAT INTERSECTS TWO PARALLEL LINES TO FORM 8 ANGLES


SCALENE

A TRIANGLE WITH NO CONGRUENT SIDES


SIMILAR TRIANGLES

TRIANGLES THAT HAVE THE SAME SHAPE, BUT MAY NOT HAVE THE SAME SIZE


ROTATIONAL SYMMETRY

A FIGURE HAS ROTATIONAL SYMMETRY IF IT CAN BE TURNED LESS THAN 360 DEGREES AND IT CAN STILL LOOK LIKE THE ORIGINAL


PARALLEL LINES

LINES IN THE SAME PLANE THAT DO NOT INTERSECT


OBTUSE TRIANGLE

AN OBTUSE ANGLE IS ANY ANGLE THAT IS MORE THAN 90 DEGREES BUT LESS THAN 180 DEGREES


LINE OF SYMMETY

A LINE THAT DIVIDES A FIGURE INTO TWO HALFS THAT ARE REFLECTIONS OF EACH OTHER


ISOSCELES

A TRIAGLE THAT HAS TWO CONGRUENT SIDES


CONGRUENT TRIANGLES

TRIANGLES THAT HAVE THE SAME SIZE AND SHAPE (EXACT REPLICAS)


EQUALATERAL TRIANGLES

ALL SIDES OF THE FIGURE ARE CONGRUENT


COMPLIMENTARY ANGLES

TWO ANGLES ARE COMPLIMENTARY IF THE SUM OF THEIR ANGLES ARE 90 DEGREES


RIGHT ANGLE

AN ANGLE THAT MEASURES 90 DEGREES, EXACTLY


ACUTE ANGLE

AN ANGLE WITH A MEASUREMENT OF GREATER THAN 0 BUT LESS THAN 90 DEGREES


ALTERNATE EXTERIOR ANGLES

Angles located outside a set of parallel lines and on opposite sides of the transversal intersecting lines


ALTERNATE INTERIOR ANGLES

Angles located inside a set of parallel lines and on opposite sides of the transversal INTERSECTING LINES


OUTLIER

A data point (or points) that lie far outside most of the rest of the points in the data set.


right triangle

A triangle containing an angle of 90 degrees
