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put this solution on YOUR website!First you may want to draw a picture for this problem, it makes it much easier when you visualize these types of problems.
In rectangular prisms there are basicly 3 rectangles, but there are two of each different rectangle.
You need to find the area of the first rectangle.
*Note they can be done in any order, according to your preference.
Rectangle One
4ft X 5ft = 20ft^2
Since there are two of each kind of rectangle you will need to multiply it by 2.
20 X 2 = 40ft^2
Rectangle Two
6ft X 5ft = 30ft^2
30ft X 2 = 60ft^2
Rectangle Three
4ft X 6ft = 24ft^2
24 X 2 = 48ft^2
Now you combine each of the rectangle's areas together:
40ft + 60ft + 48ft = 148ft ^2
The surface area of the rectangular prism is 148ft^2
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