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Geometry Section 8 Vocabulary

Name: ___________________________________
Period: ___________________________________
Date: ____________________________________
Across
A(n) ________ of a quadrilateral is a line segment with endpoints that are two nonadjacent vertices of the quadrilateral.
All angles of a rectangle are _____ angles.
If a quadrilateral is ___________, then it is a rectangle.
The opposite sides of a rectangle are ________ and congruent.
A(n) __________ is a parallelogram with four congruent angles.
A(n) _____________ is a quadrilateral in which two pairs of opposite sides are parallel and congruent, and two pairs of opposite angles are congruent.
________ Formula: M = ([x1 + x2]/2 , [y1 + y2]/2
If the diagonals of a parallelogram are _____________ to each other, the parallelogram is a rhombus.
The parallel sides are called the _____ of the trapezoid.
A square has all the _______________ of a parallelogram, rectangle, and rhombus.
A rhombus is a parallelogram that has ___ congruent consecutive sides and four sides; the angles of a rhombus do NOT all have to be congruent or right angles.
________ sides of a quadrilateral are sides that do not have a common endpoint.
The diagonals of a rhombus bisect its ______.
A trapezoid is _________ if it has one pair of non-consecutive congruent sides, congruent base angles, and supplementary opposite angles.
If a quadrilateral is a kite, it has one ____ of congruent opposite angles.
Opposite angles of a quadrilateral are angles with vertices that are ___ consecutive.
__________ geometry involves placing geometric figures in a(n) __________ plane.
A trapezoid has two ____ of base angles.
____ means four.
If ___ of the angles of a rhombus is a right angle, then the rhombus is a square.
Down
A(n) ______ is a rhombus and a rectangle.
Consecutive sides or ________ sides of a quadrilateral are sides that have a common endpoint.
A(n) ____ is a quadrilateral that has two pairs of consecutive congruent sides, but the opposite sides are not congruent.
_______ means sides.
A(n) _____________ is a polygon with four sides.
A quadrilateral is a(n) _______ with four sides.
Two consecutive angles of a parallelogram are _____________.
_________ Formula: d = √[(x2 - x1)^2 + (y2 - y1)^2]
___________ vertices or adjacent vertices of a quadrilateral are vertices that have endpoints of the same side.
If a quadrilateral is ___________, then it is a rhombus.
A diagonal divides a parallelogram into two congruent _________.
Consecutive angles of a quadrilateral are angles with ________ that are consecutive.
_____ Formula: m = (y2 - y1) / (x2 - x1)
A(n) _________ is a quadrilateral with exactly one pair of opposite sides that are parallel.
If the diagonals of a parallelogram are _________, then the parallelogram is a rectangle.
A(n) _______ is a parallelogram that has two congruent consecutive sides and four sides; the angles of a rhombus do NOT all have to be congruent or right angles.
A rhombus is a parallelogram that has two congruent consecutive sides and ____ sides; the angles of a rhombus do NOT all have to be congruent or right angles.
The non-parallel sides are called the ____.
___ sides of a rhombus are congruent.
The ___ of the measures of the angles of a quadrilateral is 360 degrees.