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Arti

· started a discussion

· 1 Months ago

CSA (Question: 388234.0 )

Here Total surface area is same then y did u take CSA?

Question:

A solid is hemispherical at the bottom and conical above. If the surface areas of the two parts are equal, then the ratio of radius and height of its conical part is –

Options:
A)

1 : 3

B)

1 : 1

C)

3 :1    

D)

1 :3    

Solution:

Ans: (d)

  

Manoj

· commented

· 1 Months ago

ans will be same if you take total surface or csa because base of cone and hemisphere is same

Vinay shekhawat

· commented

· 1 Months ago

Yet to be approved!

santosh

· commented

· 1 Months ago

here you can observe that base of cone is covered with hemisphere so both are equal and cancelled .so only that matters here is CSA

Arti

· commented

· 1 Months ago

Can anyone tell?
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