Geometry Chapter 6 Quiz

equation for the SUM of the INTERIOR angles of an “n-gon”

(n-2)180

EACH INTERIOR angle of a REGULAR “n-gon”

(n-2)180/n

SUM of the EXTERIOR angles in an “n-gon”

360

EACH EXTERIOR angle of a REGULAR “n-gon”

360/n

paralleogram

a quadrilateral whose oppostie sides are parallel

how to name a parallelogram

start at any vertex, go around not through

if a quadrilateral is a parallelogram, then opposite sides are

if a quadrilateral is a parallelogram, then the opposite sides are congruent (paralleogram→oppsidescongruent)

if a quadrilateral is a parallelogram, then opposite angles are

if a quadrilateral is a parallelogram, then opposite angles are congreunt (paralleogream→oppanglescongruent)

if a quadrilateral is a parallelogram, then all pairs of consecutive angles are

if a quadrilateral is a parallelogram, then all pairs of consecutive angles are supplementary (paralleogran→consanglessupp)

if a quadrilateral is a parallelogram, then the diagonals

if a quadrilateral is a parallelogram, then the diagonals bisect each other (they have the same midpoint). (parralleogram→diagbisecteachother)