Vocab for final exam
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Lines that do not intersect and do not lie in the same plane | SKEW
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| An angle whose measure is between 90 and 180. | OBTUSE ANGLE
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| An angle whose measure is exactly 90 degrees. | RIGHT ANGLE
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| An angle whose measure is between 0 and 90 degrees. | ACUTE ANGLE
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| A transformation where the image and preimage are congruent. | ISOMETRY
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| Lines that intersect at right angles. | PERPENDICULAR LINES
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| Points that lie on the same line. | Collinear Points
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| Points that lie in the same plane. | Coplanar Points
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| A segment, line or ray that bisects another segment at right angles to its' midpoint | Perpendicular bisector
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| A section of a line consisting of endpoints and each end and all points in between. | Segment
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| A line consisting of one endpoint and all the points of the line on one side of the endpoint. | Ray
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| The point which lies at the middle of the line. | Midpoint
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| If 1/3 TR = UW, then TR = 3 UW | Multiplication property
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| If 2(x + 5), then 2x + 10 | Distribution property
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| If 2x - 5 = 10, then 2x = 15. | Addition property
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| If 5x + 6 = 21, then 5x = 15. | Subtraction property
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| If 12x = 84, then x = 7 | Division property
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| Any shape whose angles are congruent | Equiangular polygon
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| Any shape whose angles are congruent and whose sides have the same lengths. | Regular polygon
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| Any shape with congruent sides. | Equilateral
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| 2 coplanar angles that have a common side and common vertex but no common interior points. | Adjacent angles
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| A line that intersects 2 coplanar lines in 2 points. | transversal
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| A ray that divides an angle into 2 congruent angles. | Angle bisector
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| A series of points that extend in 2 directions from a midpoint. | A line
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| A parallelogram with 4 congruent sides. | Rhombus
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| A parallelogram with 4 congruent sides and 4 right angles. | Square
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| A parallelogram with 4 right angles. | Rectangle
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| A quadrilateral with congruent adjacent sides and no opposite sides congruent | Kite
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| A quadrilateral with 2 pairs of opposite parallel sides. | Parallelogram
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| Lines in the same plane that do not intersect. | Parallel Lines
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| A segment that connects the midpoints of opposite sides of a triangle or trapezoid. | Midsegment
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| 2 angles whose sum is 90. | Complementary angles
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| 2 angles whose sum is 180. | Supplementary angles
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| If you live in Cheyenne, then you live in Wyoming. If you live in Wyoming, then you live in Cheyenne. | Converse
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| If a figure is a square, then it is a parallelogram. If a figure is not a square, then it is not a parallelogram. | Inverse
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| If a figure is a triangle, then it is a polygon. If a figure is not a polygon, then it is not a triangle. | Contrapositive
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| The combination of a conditional statement and its converse. | Biconditional
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| A particular example or instance of a statement that makes the statement false. | Counterexample
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| 2 angles whose sides form two pairs of opposite rays | Vertical angles
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| A triangle with no sides congruent | Scalene triangle
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| A segment that has as its endpoints a vertex of the triangle and the midpoint of the opposite side. | Median
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| The perpendicular segment from a vertex to the line containing the side opposite the vertex. | Altitude
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| A quadrilateral with exactly one pair of parallel sides. | Trapezoid
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Created by:
Robin Lamb
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