# Shared Flashcard Set

Ch.5
ch geometry
28
Mathematics
02/23/2011

## Additional Mathematics Flashcards

Term
 Ch. 6
Definition
Term
 Diagonal
Definition
 Is a segment that connects any two nonconsecutive vertices.
Term
 Triangle
Definition
Term
Definition
Term
 Pentagon
Definition
Term
 Hexagon
Definition
Term
 The Interior Angle Sum  Equation
Definition
 (n - 2) x 180
Term
 Find Interior of a Quadrilateral Equation
Definition
 A + D + M = 360
Term
 Find  the Sum of an Interior Angle  Measure Equation
Definition
 (n - 2) x 180
Term
 Find The Number Of Side
Definition
 ex.   135n = (n - 2) x 180 135n = 180 - 360 -45n = -360 n = 8
Term
 Find exterior measure's of a polygon
Definition
 A+D+M+J+R+D+W= 360
Term
 Parallelogram
Definition
 is a quadrilateral with both pairs of opposite sides parallel
Term
 Properties  of parallelograms
Definition
 opposite sides are congruent  opposite angles are congruent  consecutive angles are supplementary has 4 right angles
Term
 Diagonals  of  Parallelograms
Definition
 if its a quadrilateral then its diagonals bisect each other if its a quadrilateral then each diagonal seperates the parallelogram into 2 congruent triangles
Term
 if both pairs of opposite sides of a quadrilateral are congruent, then the quadrilateral is a parallelogram
Definition
Term
 if both pairs of opposite angles of a quadrilateral are congruent, then the quadrilateral is a parallelogram
Definition
Term
 if the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram
Definition
Term
 if one pair of opposite sides of a quadrilateral is both parallel and congruent, then the quadrilateral is a parallelogram
Definition
Term
 Rectangle
Definition
 is a parallelogram with four right angles
Term
 Diagonals of a Rectangle
Definition
 If a parallelogram is a rectangle, then its diagonals are congruent.
Term
 Rhombus
Definition
 is a parallelogram with all four sides congruent
Term
 Square
Definition
 is a paralelogram with four congruent sides and four right angles
Term
 Trapezoid
Definition
 a quadrilateral with exactly one pair of parrallel sides
Term
 Bases
Definition
 Parallel sides
Term
 Legs
Definition
 non parrallel sides
Term
 Base Angles
Definition
 formed by the base and one of the legs
Term
 Isosceles trapezoid
Definition
 if the legs of a trapezoid are congruent
Term
 Midsegment of a Trapezoid
Definition
 is the segment that connects the midpoints of the legs of the trapezoid
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