# In a quadrilateral ABDC, AB`|| CD. Which additional piece of information is needed to determine that ABCD is a parallelogram

(1) Answers

you also need to know if the other 2 sides are parallel. Is BC parallel to AD?

Add answer

Sign in
Sign up

(1) Answers

you also need to know if the other 2 sides are parallel. Is BC parallel to AD?

Add answer

Sign in
Sign up