Question

Find the total surface area of the prism pictured

291.6 square inches
319.2 square inches
264.0 square inches
55.2 square inches

Answer 1

To find the surface area of a prison, we need to find the areas of all the sides

Triangles:
2(1/2(8 * 6.9)) = 55.2

Bottom rectangle:

11 * 8 = 88

Congruent rectangles:

2(8 * 11 = 88) = 176

55.2 + 88 + 176 = 319.2

B; 319.2 sq inches

Answer 2

it's 319.2

Explanation:

When I did it i got 250.2, but i think it 319.2