Select the correct answer. The vertices of a parallelogram are Alxy, y1), B(X2, 92), CX3, 13), and D(x4, YA). Which of the following must be true if parallelogram ABCD is proven
to be a rectangle?
OA (93 ) and () --1
ОВ.
(94-83
94-93 92-31
54-
and
54-5312-11
= -1
(94 - 93 92-01 (94 93 93 - 92
and
54
= -1
33-31 94-3.
and
54-53 = -1
OD