Find the surface area of a cone of radius 10.5 cm and slant hight is 9cm.
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Answered by
6
Surface area of cone = πrl
= 3.14 ×10.5 × 9
= 297.73cm²
Answered by
2
Answer:
Answer
diameter of box =10.5 cm
radius =
2
10.5
=5.25 cm
height =l=10 cm
curved surface area =(52.5π) cm
2
∴ Curved surface area of the given cone is 164.85 cm
2
i have done a lot of hardwork in doing this
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