Spherical cap 4

What is the surface area of a spherical cap, the base diameter 20 m, height 2.5 m? Calculate using formula.

Result

S =  333.794 m2

Solution:

D=20 m h=2.5 m  a=D/2=20/2=10 m  S=π (a2+h2)=3.1416 (102+2.52)333.7942333.794 m2D=20 \ \text{m} \ \\ h=2.5 \ \text{m} \ \\ \ \\ a=D/2=20/2=10 \ \text{m} \ \\ \ \\ S=\pi \cdot \ (a^2+h^2)=3.1416 \cdot \ (10^2+2.5^2) \doteq 333.7942 \doteq 333.794 \ \text{m}^2



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