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Geo 10.8 Surface area of Spheres
Prispevano od: DiLaura
(Avtor originala: Crouch)
10.8

Find the surface area of a sphere with

a radius of 60m.  Leave your answer

in terms of π.

1800π

7200π

14400π

 3600π
10.8

Find the surface area of a sphere with the

given dimentions.  Leave your answer

in terms of π.

diameter = 20 cm

40π

200π

400π

3600π
10.8
Find the Surface Area of the hemisphere. Round your answer to the nearest whole number.
hint: you need to add the 
area of the bottom circle
30
SA = 
10.8
Find the surface area of a sphere that hasa great circle with an area of 25π ft2
A = 25π
25π ft2
100π ft2
33.3π ft2
75π ft2
The surface area of a sphere is 324π cm2  Find the
radius of this sphere.
radius = 
cm
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