In the cube shown below, the distance between vertices 2 and 6 is 18 cm.
If the cube is divided into two equal parts by a plane parallel to the face defined by vertices 2, 3, 6, and 7, what will be the area of the cross-section?
A.
18 sq cm
B.
324 sq cm
C.
54 sq cm
D.
72 sq cm
