In an excavation, a historic artifact piece shaped like a right trapezoid with an area of 10 square meters was found, as shown in the figure.
The team conducting this excavation stated that they have not yet reached the missing right triangular part of this historic artifact, which was originally square-shaped and has an area of 6 square meters.
According to this, what is the perimeter of the found historic artifact piece in meters?
A) 10
B) 11
C) 12
D) 13
E) 14