If ABCD is a parallelogram then the correct option will be D. AC = BD also, it would be rhombus because of the properties of equal sides.
What is a quadrilateral?
Any closed figure made by 4 line segments joined end to end in a series is called a quadrilateral.
That quadrilateral in which opposite sides are parallel is called a parallelogram.
Thus, a parallelogram is always a quadrilateral but a quadrilateral can or cannot be a parallelogram.
A rhombus is a parallelogram whose all sides are of equal lengths.
Its diagonals are perpendicular to each other and they cut each other in half( thus, they're perpendicular bisectors of each other).
If ABCD is a parallelogram then the correct option will be D. AC = BD
Also, it would be rhombus because of the properties of equal sides.
Learn more about rhombus;
https://brainly.com/question/4159486
#SPJ2
