Parallelograms: Always, Sometimes, Never
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45 Terms
A trapezoid is a parallelogram.
Never
The diagonals of a rectangle bisect eachother.
Always
An equilateral parallelogram is equiangular.
Sometimes
The diagonals of a rhombus are equal.
Sometimes
There is one right angle in a parallelogram and it is not a rectangle.
Never
An equiangular rhombus is a square.
Always
The opposite angles of a parallelogram are supplementary.
Sometimes
The diagonals of a rectangle are the bisectors of the angles.
Sometimes
A square is a rectangle.
Always
A trapezoid is a parallelogram.
Never
A rhombus is a square.
Sometimes
The diagonals of a quadrilateral are perpendicular and the quadrilateral is not a rhombus.
Sometimes
The diagonals of a rectangle bisect eachother.
Always
The diagonals of a kite are the perpendicular bisectors of each other.
Never
The diagonals of a trapezoid are perpendicular.
Sometimes
An equilateral parallelogram is equiangular.
Sometimes
The angles of a parallelogram are congruent.
Sometimes
A kite is a square.
Never
The diagonals of a rhombus are equal.
Sometimes
An equilateral quadrilateral is a square.
Sometimes
There are more than two right angles in a trapezoid.
Never
If a quadrilateral has three angles of equal measure, then the fourth angle must be a right angle.
Sometimes
The diagonals of an isosceles trapezoid are congrent.
Always
The diagonals of a quadrilateral_____bisect each other
Sometimes
If the measures of 2 angles of a quadrilateral are equal, then the quadrilateral is_____a parallelogram
Sometimes
If one pair of opposite sides of a quadrilateral is congruent and parallel, then the quadrilateral is______a parallelogram
Always
If both pairs of opposite sides of a quadrilateral are congruent, then the quadrilateral is_____a parallelogram
Always
To prove a quadrilateral is a parallelogram, it is ________enough to show that one pair of opposite sides is parallel
Never
The diagonals of a rectangle are_____congruent
Always
The diagonals of a parallelogram_______bisect the angles
Sometimes
A square is_____a rhombus
Always
The diagonals of a parallelogram______bisect the angles of the parallelogram
Sometimes
A quadrilateral with one pair of sides congruent and on pair parallel is_______a parallelogram
Sometimes
The diagonals of a rhombus are_______congruent
Sometimes
A rectangle______has consecutive sides congruent
Sometimes
A rectangle_______has perpendicular diagonals
Sometimes
The diagonals of a rhombus_____bisect each other
Always
The diagonals of a parallelogram are_______perpendicular bisectors of each other
Sometimes
Consecutive angles of a quadrilateral are_______congruent
Sometimes
The diagonals of a rhombus are______perpendicular bisectors of each other
Always
Consecutive angles of a square are______complementary
Never
Diagonals of a non-equilateral rectangle are______never angle bisectors
Never
A rhombus is_____a square
Sometimes
A rhombus is_____a rectangle
Sometimes
A quadrilateral with one pair of congruent sides and one pair of parallel sides is_____a parallelogram
Sometimes