The coordinates of the vertices of quadrilateral PQRS are P(−4, 2) , Q(3, 4) , R(5, 0) , and S(−3, −2) .
Which statement correctly describes whether quadrilateral PQRS is a rectangle?
a. Quadrilateral PQRS is not a rectangle because it has only one right angle.
b. Quadrilateral PQRS is not a rectangle because it has no right angles.
c. Quadrilateral PQRS is not a rectangle because it has only two right angles.
d. Quadrilateral PQRS is a rectangle because it has four right angles.