Find surface area of a textbook that is 2 inch by 14 inch by 9 in

1 answer

To find the surface area of the textbook, we need to calculate the area of all six sides of the rectangular prism.

The formula to find the surface area of a rectangular prism is:
Surface Area = (2 * length * width) + (2 * length * height) + (2 * width * height)

Given:
Length = 2 inches
Width = 14 inches
Height = 9 inches

Substituting the given values into the formula, we get:
Surface Area = (2 * 2 * 14) + (2 * 2 * 9) + (2 * 14 * 9)
Surface Area = 56 + 36 + 252
Surface Area = 344 square inches

Therefore, the surface area of the textbook is 344 square inches.