A wall is 12 feet long and 8 feet tall. There is a square window 4 feet long in the wall. What is the area of the wall surface?
2 answers:
How to find the surface area of Rectangular Prisms:
<span>Find the area of two sides (Length*Height)*2 sidesFind the area of adjacent sides (Width*Height)*2 sidesFind the area of ends (Length*Width)*2 ends<span>Add the three areas together to find the surface area.
I hope this helps :)</span></span>
Answer:
80ft
Step-by-step explanation:
A=LxW
L=12
W=8
12x8=96ft.
Area = 96ft (without the window.)
Now we need to subtract the window from the area from the wall. What is the area of the window?
A=LxW
L=4
W=4
4x4=16
A=16ft (Area of just the window)
Let's subtract the window form the wall to get the total area!
96-16=80ft
A=80ft
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