He measured the height of the box to be 7 in. Then, Stephan drew a line from the center of one of the hexagons to each of its vertices and noticed that all the triangles he created have a height of 9 in and a base of 10 in.




Note: Figure is not drawn to scale.

What is the surface area of the hexagonal prism?


960 sq in



750 sq in



690 sq in



1,380 sq in