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:
Non-Muslim communities accepted Islam due to their interaction with Muslim communities.
Explanation:
Interactions between Muslim and non-Muslim communities greatly affected the attitudes of non-Muslim communities toward Islam or Islamic culture because these non-Muslim communities greatly affected from the teachings of Islam and accepted the religion. The Muslims at that time fully following their religion and due to this following they have good behaviour and by seeing to this behaviour the non-Muslim communities accepted Islam.
<span>What is the ideal duration of one complete menstrual cycle?
-28 days
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