Respuesta :

Answer:

Step-by-step explanation: The answer is the surface area of the above triangular prism is 156 square inches.

Answer:

168ft^2

Step-by-step explanation:

Surface Area = total area of all the faces of the figure.

Area of a triangle:

[tex] \frac{1}{2}bh[/tex]

2 * (1/2(6)(4)) + 2 * (5 * 9) + 6 * 9

= 168