Reservoir

6 m long reservoir has a diameter of 2.2 m. What is its surface area in square meters?

Correct result:

S =  49.0717 m2

Solution:

D=2.2 m h=6 m r=D/2=2.2/2=1110=1.1 m S1=π⋅ r2=3.1416⋅ 1.12≐3.8013 m2 S=2⋅ S1+2π⋅ r⋅ h=2⋅ 3.8013+2⋅ 3.1416⋅ 1.1⋅ 6=49.0717 m2

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