5/16 = 25/80
3/8 = 30/80
2/5 = 32/80
Because 25/80<30/80<32/80, the washer with the size of 5/16 inch is the smallest~
        
             
        
        
        
Answer:
Step-by-step explanation:
Your answer 
5.55 per square foot
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Answer:1696.46
Step-by-step explanation:
V = π r 2 h
 
        
             
        
        
        
Answer:
96 square inches.
Step-by-step explanation:
From given picture we see that 
BC=8 in
AD=10 in
Given that 
AD=AB
Then AB=10 in
Apply Pythagorean theorem in triangle ABC to find AC






take square root

Then area of triangle ABC 

There are total 4 congruent triangles.
Then total area of the given figure = 4(24)=96 square inches.