What is the surface area of the three congruent rectangular bases? Round the answer to the nearest whole number.

153 cm to the 2nd power
529.20 cm to the 2nd power
459 cm to the 2nd power
306 cm to the 2nd power

The surface area of the three congruent rectangular bases is 153 cm² + 529.20 cm² + 459 cm² + 306 cm² = 1447.20 cm². Rounded to the nearest whole number, the surface area is 1447 cm².