Answer: A
Step-by-step explanation:
The diagonal of this quadrilateral will be the hypotenuse of a right triangle, as shown below.
The base of the triangle measures 4 units, and the height of the triangle measures 7 units. Use the Pythagorean theorem to find the length of the hypotenuse.
Therefore, the length of the diagonal of the quadrilateral measures √ 65 units.
