Use the net to determine the total surface area. the net of a triangular prism with height of 6 centimeters and each leg of the triangular base is 12 centimeters and its height is 10. 4 centimeters is laid flat.
1) 465. 6cm2
2) 218. 3cm2
3) 340. 8cm2
4) 278. 4cm2