SOLUTION: Calculate for the surface area of a frustum of a sphere if the diameter of its ends are 80 cm and 120 cm and the thickness is 30 cm.
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Question 1195855: Calculate for the surface area of a frustum of a sphere if the diameter of its ends are 80 cm and 120 cm and the thickness is 30 cm.
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
given:
the diameter of its ends are: and and the thickness is
A=pi(a^2+b^2+2Rh)
is the radius of the smaller base->
is the radius of the larger base->
is the radius of the sphere
is the difference in height of the two base->
As we can see, we first have to determine the radius of the sphere . We can find the radius from the given base diameters and frustum height.
then the area is:
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