A rectangular box is 40 cm wide and 36 cm high. If the surface area of the box is 7440 square centimeters, find the length of the box.

The length of the rectangular box is 30 centimeters.

Step-by-step explanation:

Let suppose that rectangular box is closed. The rectangular box is represented by a parallelepiped, whose surface area (), measured in square centimeters, is defined by the following formula:

(1)

Where:

- Width, measured in centimeters.

- Height, measured in centimeters.

- Length, measured in centimeters.

If we know that , and , then the length of the rectangular box is:

The length of the rectangular box is 30 centimeters.

a: inscribed angles

step-by-step explanation:

i reviewed this question with a peer and teacher, seems to be correct, me later

i'm pretty sure the answer is a. decreases with increase in