Question

The figure below is a net for a right rectangular prism. Which of the following represents the total area of all faces?

Answer 1

2(2x(4x + 2) + 2x(9x - 5) + (4x + 2)(9x - 5)) =

2(8x² + 4x + 18x² - 10x + 36x² - 2x - 10) =

2(62x² - 8x - 10) =

124x² - 16x - 20

The correct answer is B.