(p. 442) A(n) ____ is a quadrilateral with exactly two pairs of consecutive congruent sides.
(p. 423) Diagonals ______ each other
(p. 432) If the diagonals of a parallelogram are perpendicular, then the parallelogram is a rhombus. (________ of Theorem 6.15)
(p. 424) You can use the properties of rectangles along with _______ to find missing values.
(p. 430) A rhombus has all the __________ of a parallelogram and the two additional characteristics described in the theorems below.
(p. 425) You can also use the properties of rectangles to prove that a quadrilateral positioned on a(n) __________ plane is a rectangle given the __________s of the vertices.
(p. 441) A midsegment of a trapezoid can also be called a(n) ______.
(p. 439) The base ______ are formed by the base and one of the legs.
(p. 430) If a parallelogram is a rhombus, then its diagonals are _____________.
(p. 432) ___ of the properties of parallelograms, rectangles, and rhombi apply to squares.
(p. 431) The plural form of rhombus is ______, pronounced ROM-bye.
(p. 431) A parallelogram that is ____ a rectangle and a rhombus is also a square.
(p. 439) A(n) ________ is a quadrilateral with exactly one pair of parallel sides.
(p. 424) If a parallelogram has one right angle, then it has ____ right angles.
(p. 439) If the legs of a trapezoid are congruent, then it is a(n) _________ trapezoid.
(p. 432) Since a rhombus has four congruent sides, one diagonal ________ the rhombus into two congruent isosceles triangles.
(p. 434) A square is a rhombus, but a rhombus is ___ necessarily a square.
(p. 423) All four angles are _____ angles
(p. 432) If a quadrilateral is both a rectangle and a rhombus, ____ it is a square.
(p. 439) The parallel sides are called ______.