Given:
Dimensions of a rectangular prism are 6 meters by 3 meters by 12 meters.
To find:
The surface area of the prism.
Solution:
The surface area of a rectangular prism is:
Where, l is length, b is breadth and h is height.
Putting , we get
Therefore, the surface area of the prism is 252 square meters.
Answer:
C.
Step-by-step explanation:
Given wallpaper costs per square foot.
Also, the dimension of the room is long by
wide.
First, we will find the area of the room.
The room is in a rectangular shape.
So, the area of rectangle would be
Now, we will multiply this area with the cost of wallpaper.
As the cost of wallpaper is $1.25 per square foot.
The total cost of wallpaper for would be