Words and Theorems that you will need to know
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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parallelogram | a quadrilateral with both pairs of opposite sides parallel
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rhombus | a parallelogram with four congruent sides
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quadrilateral | a polygon with 4 sides
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rectangle | a parallelogram with four right angles
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square | a parallelogram with four right angles and four congruent sides
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kite | a quadrilateral with two pairs of adjacent sides congruent and no opposite sides congruent
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trapezoid | a quadrilateral with exactly one pair of parallel sides
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isosceles trapezoid | a trapezoid whose nonparallel opposide sides are congruent
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Opposite Side of Parallelogram Theorem | opposite sides of a parallelogram are congruent
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consecutive angles | consecutive angles sum to 180 degrees
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Opposite Angles of Parallelogram Theorem | Opposite angles of a parallelogram are congruent
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Diagonals of a Parallelogram | Diagonals of a parallelogram bisect each other
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Converse of Diagonals of a Parallelogram | If the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram
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Theorem 6-6 | If one pair of opposite sides of a quadrilateral is both congruent and parallel, then the quadrilateral is a parallelogram
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Converse of opposite sides of a parallelogram theorem | If both pairs of opposite sides of a quadrilateral are congruent, then the quadrilateral is a parallelogram
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Converse of Opposite Angles Theorem | If both pairs of opposite angles of a quadrilateral are congruent, then the quadrilateral is a parallelogram
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Diagonals of a Rhombus Theorem | Each diagonal of a rhombus bisects two angles of the rhombus
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Rhombus Diagonals and Perpendicular Theorem | The diagonals of a rhombus are perpendicular
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Diagonals of a Rectangle Theorem | The diagonals of a rectangle are congruent
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Converse of a Diagonals of a Rhombus Theorem | If one diagonal of a parallelogram bisects two angles of the parallelogram, then the parallelogram is a rhombus
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Converse of Rhombus Diagonals and Perpendicular Theorem | If the diagonals of a parallelogram are perpendicular, then the parallelogram is a rhombus
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Converse of Diagonals of a Rectangle Theorem | If the diagonals of a parallelogram are congruent, then the parallelogram is a rectangle
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Created by:
sscherer
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