The diagram below shows a plane slicing a rectangular prism diagonally. The shaded figure shows the cross section obtained.

Question

The diagram below shows a plane slicing a rectangular prism diagonally.  The shaded figure shows the cross section obtained.

anonymous · Answer

anonymous · Answer

Which is closest to the area of the cross section?

anonymous · Answer

72 square inches

85 square inches

91 square inches

66 square inches

anonymous · Answer

attachment

aripotta · Answer

see this side?
|dw:1347837387998:dw|
if you use the Pythagorean theorem, you can get the length of the cross section