circumference of base of a cylinder is 132cm. the sum of radius and height of the cylinder is 41cm. find the cost of polishing the outer surface of cylinder at rate of RS10 per square metre.
Asked by | 6th Feb, 2014, 08:57: PM
Circumference of the base of a cylinder is
Also, given that,
The curved surface area of a cylinder is given by,
Cost of polishing the outer surface per square meter is Rs.10.
Thus the cost of polishing the outer surface of cylinder =
Answered by | 7th Feb, 2014, 09:50: AM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number