25. Which description does NOT guarantee that a quadrilateral is a rectangle?

Select one:

a. a quadrilateral with all congruent angles

b. a quadrilateral with diagonals that are congruent and bisect each other

c. a quadrilateral with all four angles right

d. a parallelogram with congruent sides

10. Find the value of the variables.

Select one:

a. x = 67, y = 134

b. x = 23, y = 46

c. x = 67, y = 46

d. x = 23, y = 134