The diagram below shows a plane slicing a rectangular prism along the diagonals of its side faces. The shaded figure shows the cross section obtained.

Which is closest to the area of the cross section?
Answer
48 square inches
54 square inches
68 square inches
80 square inches

Question

The diagram below shows a plane slicing a rectangular prism along the diagonals of its side faces.  The shaded figure shows the cross section obtained.
 

 
Which is closest to the area of the cross section?
Answer
		48 square inches
		54 square inches
		68 square inches
		80 square inches

anonymous · Answer

http://go.flvs.net/courses/1/flvs_57_3641_2a7b30381160098/ppg/respondus/pool_Geom_3641_0709_27/image0044e61307d.jpg

ash2326 · Answer

@sunsetlove

anonymous · Answer

ill brb

ash2326 · Answer

The cross section is a rectangle with 
length= the diagonal of the face with sides 3 inches and 6 inches
breadth=the breadth of the prism= 8 inches
$$length=\sqrt{6^2+3^2}=6.70\ inches$$
Area=length * breadth= 6.7*8=53.6 or 54 inches

anonymous · Answer

thank you u did a great job explaining it