Answer:
The surface area of this prism is 290(in)²
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=5, the width w=5, and the height h=12 into the formula.
Simplify each term.
Simplify by adding numbers.
Hence, The surface area of this rectangular prism is 290in².