Final answer:
The dimensions of the box are approximately 7.07 cm x 6.71 cm x 9.49 cm.
Step-by-step explanation:
To find the dimensions of the box, we can start by finding the lengths of the sides. The top area of the box is 50 cm^2, so the length and width of the top side can be calculated as the square root of 50, which is approximately 7.07 cm. Since the sides have areas of 45 cm^2 and 90 cm^2, the lengths and widths of the sides can be calculated as the square roots of 45 and 90, respectively. Using a calculator, we can find that the side lengths are approximately 6.71 cm and 9.49 cm.
Therefore, the dimensions of the box are approximately 7.07 cm x 6.71 cm x 9.49 cm.