Answer:
Step-by-step explanation:
Let assume that the volume = 88 cubic feet
Then:
The construction cost now is:

Now, to determine the minimum cost:
Now;
Answer: 
Step-by-step explanation:
We know that the circumference of a circle is given by :-
, where r is the radius of the circle .
Given : Circumference of circle = 16 cm
Then, 
i.e
(1)
We know that the area of circle is given by :-

i.e.
[From (1)]
i.e.
i.e.
Put 
Hence, area of circle = 
Answer:
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Step-by-step explanation:
Answer:
the answer is H because it is h