A petrol tank is in the form of a frustum of a cone of height 20 m with diameters of its
lower and upper ends as 20 m and 50 m respectively. Find the cost of petrol which can
fill the tank completely at the rate of Rs. 70 per litre. Also find the surface area of the
tank.
Answers
Answered by
5
Explanation:
her ya go.... brotha.....
Attachments:
Similar questions