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And the surface area of each hemisphere below.7.8C

Sagot :

The surface area of the hemisphere is computed using the equation

[tex]SA=3\pi r^2[/tex]

For the hemisphere with a radius of 14 yds, the surface area of the hemisphere is

[tex]SA=3\pi(14)^2=588\pi[/tex]

For the hemisphere with a diameter of 12.2 yds, we need to find its radius first. The radius is just half of the diameter, hence, the radius of this hemisphere is 6.1 yds. Computing for its surface area, we have

[tex]SA=3\pi(6.1)^2=111.63\pi[/tex]

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