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Praveen Krishna

· started a discussion

· 1 Months ago

any mistake? (Question: 269950.0 )

the curved surface area is 2pi*r*l right?

Question:

A solid metallic right circular cylinder of base diameter 16 cm and height 2 cm, is melted and cast into a right circular cone of height three times as that of the cylinder. Find the curved surface area of the cone.

Options:
A)

261.43 cm2

B)

251.43 cm2

C)

241.53 cm2

D)

253.41 cm2

Solution:

Ans: (b)

  

Praveen Krishna

· commented

· 1 Months ago

awfff... sorry
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