Lei is painting the outside of a jewelry box that is in the shape of a rectangular prism. Its length is 18cm, it's width is 6 cm, and its height is 3cm. What is the surface area of the jewelry box in square meters?
Accepted Solution
A:
To solve this problem you must apply the proccedure shown below:
1. You have that threctangular prism has the following dimensions: Its length is 18 cm, its width is 6 cm, and its height is 3 cm.
2. Then, you must apply the formula for calculate the surface area of a rectangular prism, which is:
SA=2(WL+HL+HW)
Where SA is the surface area of the rectangular prism, L is the lenght, W is the width and H is the height.
3. Therefore, when you susbtitute values into the formula shown above, you obtain: