a top is in the shape of a cone over a hemisphere and the radius of the hemisphere is 3.5cm if the height of the top is 15.5cm, then find the total area of the top
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Answer:
Right circular cone
Solve for surface area
A≈213.21cm²
r Radius
3.5
cm
h Height
15.5
cm
Using the formulas
A=πrl+πr2
l=r2+h2
Solving forA
A=πr(r+h2+r2)=π·3.5·(3.5+15.52+3.52)≈213.20692cm²
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