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 
Answer:
the answer is D, having a sense of wellbeing.
Explanation:
Mental is in your head not physical, so it's not B or C. Getting along with others is more of a component of being a good friend but not necessarily helps someone's mental health.
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There is so many different strands, since it's always evolving it makes it hard