The surface area of the pyramid is approximately 138.528 square feet.
What is the surface area of the pyramid?
The surface area of a solid is the sum of the areas of all faces of the solid. In this case, we find that the surface area is the sum of the areas of four triangles and the area of the square base. Then, we proceed to determine the surface area of the solid:
A = 4 · (1 / 2) · √[(3 ft)² + (8 ft)²] · (6 ft) + (6 ft)²
A ≈ 138.528 ft²
The surface area of the pyramid is approximately 138.528 square feet.
To learn more on surface areas: https://brainly.com/question/2835293
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