Question

Given the coordinates of a parallelogram what can be verified?
1) All sides are congruent.
2) There exists exactly one set of opposite sides parallel.
3) Opposite sides are parallel.
4) Two sets of consecutive sides are congruent.

???

Answer 1

1,3

Answer 2

?

Answer 3

i can only choose one . . which one best answers the question?

Answer 4

http://www.mathwarehouse.com/geometry/quadrilaterals/parallelograms/index.php

Answer 5

see this u can under stand

Answer 6

if u hv to give one then 3

Answer 7

thanks guys (: