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The figure shows a water tank which consists of a hemispherical part surmounted on top of a cylindrical part. The two parts have the same...

      

The figure shows a water tank which consists of a hemispherical part surmounted on top of a cylindrical part. The two parts have the same diameter of 2.1 M and the cylindrical part is 1.5 m high as shown. All surfaces of the tank are made of iron sheets. (Take π = 22/7)
fig36191120191118.png
(a) Allowing for 15% wastage in overlapping, calculate to 2d.p the area of iron sheets required.
(b) Ironsheet costs sh.400 per square meter while labour and other. Materials amountsto 50% of the cost of ironsheets. Find the cost of constructing the tank.
(c) Calculate the (i) volume of the tank in m3
(ii) capacity of the tank in litres.

  

Answers


Kavungya
fig37191120191120.png
Kavungya answered the question on November 19, 2019 at 08:20


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