Answer:

Step-by-step explanation:
Area of a square = 
If l =
,
Then area = 
HOPE THIS HELPS
Answer:
ok
Step-by-step explanation:
The surface area of a rectangular prism is measured by multiplying length, width, and height:
a = l•w•h
4 • 5 • 15
20 • 15 = 300
So the area of this rectangular prism is 300<span>in².</span>
Answer:
it is 140ft perimeter is adding all four sides together