wrong answer (Question: 259981.0 )

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AMIT KUMAR KABRA

· started a discussion

· 1 Months ago

wrong answer (Question: 259981.0 )

the knowledge expert of toprankers should commit suicide or at least resign. dear expert.. just show me how can you have base area of cone when you are making cone from a sector of circle .. paramount sucks ... go to hell ..

ఉదయ్ ఇసాయ్

· started a discussion

· 1 Months ago

wrong answer (Question:259981.0)

when there is no base. How can base area be included.

Question:

A cone is made of a sector of circle of radius 21 cm and angle is 60º. What is the total surface area of cone (in ${c m}^{2}$ )?

Options:

269.5

308

312.5

231

Solution:

Ans: (a)

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