Mathematics
In the given figure, a rectangular tin foil of size 22 cm by 16 cm is wrapped around to form a cylinder of height 16 cm. Find the volume of the cylinder.
Related Questions
An electric geyser is cylindrical in shape, having a diameter of 35 cm and height 1.2 m. Neglecting the thickness of its walls, calculate
(i) its outer lateral surface area
(ii) its capacity in litres.
A school provides milk to the students daily in cylindrical glasses of diameter 7 cm. If the glass is filled with milk upto a height of 12 cm, find how many litres of milk is needed to serve 1600 students.
How many cubic metres of soil must be take out to make a well 20 metres deep and 2 metres in diameter?
If the inner curved surface of the well in part (i) above is to be plastered at the rate of ₹ 300 per m2, find the cost of plastering (around to the nearest hundred rupees).