History, asked by pshanu838, 2 months ago

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 yasmin54
0

Answer:

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