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 
With disease incorporated, the term would be <u>Dystrophy</u>. A group of disease works to break down your muscles.
Answer:
1) dimples or bulges in the skin
2) irritation of the skin
3) changes in the size of breasts
4) changes in the position of breasts
Explanation: