1.

The height of a conical vessel is 3.5 cm. If its capacity is 3.3 litres of milk. Find the diameter of its base.

Answer»

Height of a conical vessel = 3.5 cm and Capacity of conical vessel is 3.3 litres or 3300 cm3 

Now, 

We know, 

Volume of cone = \(\frac{1}{3}\)πr2

3300 = \(\frac{1}{3}\) x \(\frac{22}{7}\) x r2 x 3.5 

or r2 = 900 

or r = 30 

So, radius of cone is 30 cm 

Hence, diameter of its base = 2 Radius = 2 x 30 cm = 60 cm



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