Luke cuts a foam block along the red line. When he looks at the newly exposed face, what is the shape of the cross-section?
o in
15 in
5 in
O A. A square, 5 inches by 5 inches
O B. A rectangle, 5 inches by 15 inches
OC. A rectangle, 15 inches by 6 inches
O D. A rectangle, 5 inches by 6 inches