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ravi

· started a discussion

· 1 Months ago

machine ka surface area 2175pi hoga

Question:

A machine is in the shape of a right circular cylinder with a hemisphere on one end and a cone on the other. The height of the cylindrical part is 3 times the radius. The radius of cylindrical part, hemisphere and conical part is equal and the ratio of height and radii is 4 : 3 in cone. If surface area of the Machine is 2175 cm2, then find the radius. 

Options:
A)

15 cm

B)

16 cm

C)

14 cm 

D)

17 cm

Solution:

Ans:(a) 


Nisha Kumari

· commented

· 1 Months ago

Yes it should be 2175pie

yatin kaushik

· commented

· 1 Months ago

Yet to be approved!

shaan

· commented

· 1 Months ago

Yet to be approved!

vishnu

· commented

· 1 Months ago

Yet to be approved!

Navendra Kumar

· commented

· 1 Months ago

right bro.....

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