In weight training the definition of a set, is specific number of repetitions of the same exercise. Give me a set of 10 sit ups, and a set of push ups (implied 10 in that sentence) because the set was defined with the 10 sit ups.
I do not have an answer to the comtemporary term.....
we know that
the surface area of the top of the water
is calculated with the formula of the area of a circle

Step 1
Find the radius of the water tank in the middle of the tank
by proportion

so
For h=5 m
the radius is equal to r=1.5 m
Step 2
Find the surface area


therefore
the answer is
the surface area of the top of the water is 
The answer you are looking for is D
Well hello kind human! Can you help me answer this question? please??
Answer: Fluid :) Hope this helps!