Chap. 6 Vocabulary Flashcards
This shape is a quadrilateral with both pairs of opposite sides parallel
parallelogram
The measure of each interior angle of a regular n-gon is (n-2)*180/n
corollary to the polygon angle-sum theorem
In a quadrilateral, these items do not share a vertex.
opposite sides
This shape is a parallelogram with four right angles.
rectangle
This polygon is a polygon with all sides congruent. (general term)
equilateral polygon
The sum of the measures of the exterior angles of a polygon, one at each vertex, is 360
polygon exterior angle-sum theorem
This shape is a parallelogram with four congruent sides.
rhombus
This polygon is a polygon with all sides and angles congruent. (general term)
regular polygon
The sum of the measures of the interior angles of an n-gon is (n-2)*180
polygon angle-sum theorem
This shape is a parallelogram with four right angles and four congruent sides.
square
In a quadrilateral, these items do not share a side.
opposite angles
This polygon is a polygon with all angles congruent. (general term)
equiangular polygon
Angles of a polygon that share a side
consecutive angles
The two angles that share a base of a trapezoid.
base angles
Quadrilateral with exactly one pair of parallel sides
trapezoid
Using coordinate geometry and algebra to prove theorems in geometry
coordinate proof
The nonparallel sides of a trapezoid
legs
Quadrilateral with two pairs of consecutive sides congruent and no opposite sides congruent.
kite
The parallel sides of a trapezoid.
bases
A trapezoid with legs that are congruent.
isosceles trapezoid
This item is parallel to the bases and half the length of the sum of the bases.
midsegment of a trapezoid
