Answer:
The surface area of the prism is 386m²
Explanation:
The surface area of a box is equal to the sum of the areas of each side of the box.
Substitute the values of the length l=15, the width w=7, and the height h=4 into the formula.
Simplify each term.
Simplify by adding numbers.
Hence, the Surface area of this prism is 386m².