2.4 would be your answer.
AB ≅ DC and AD ≅ BC
slope of BC = slope of AD (m = 1/3), slope of AB = slope of DC (m = 3/1)
opposite sides are congruent and parallel so ABCD is a parallelogram.
Answer: parallelogram
Answer:
it would be 1 5/18
Step-by-step explanation: