<u>Answer:</u>
<u>Exact form:</u>
<h3><u>x= -3/2,-2</u></h3>
<u />
the answer is the 3rd opiton
The area of a rhombus is 1/2 times the lengths of the diagonals
A = (1/2)(AC)(BD)
Since the diagonals bisect each other, and ed = 8, BD must be 16. Substituting in this for BD and the given area (168) we get the following:
168 = (1/2)(AC)16
168 = 8(AC)
21 = AC
