Answer:
(C)108 square feet
Explanation:
A net of triangular prism consists of two triangular and three rectangular faces.
The net attached is that of a right triangular prism.
Area of One Triangular Face =0.5 X 3 X 4=6 square feet
The rectangular faces are of dimension 4 ft by 8 ft, 5ft by 8ft and 3ft by 8 ft respectively.
Therefore:
Surface Area of the net =2(6)+(4X8)+(5X8)+(3X8)
=12+32+40+24
=108 square feet
The correct answer is C.