Quadrilateral A'B'C'D is a reflection of a quadrilateral ABCD over the x-axis. What is the length of AD ?A. 6 unitsB. 7 unitsC. 3 unitsD. 4 units

Explanation:
A reflection over the x-axis only changes the y-coordinates of the points, it does not change the size of the figure. Thefore the length of A'D' is the same length as AD: 6 units
Answer:
A. 6 units