Whitewash 33351

The castle tower room has the shape of a cylinder with a diameter of 4.6m and a height of 2.9m.
Calculate how much it will cost to whitewash the ceiling and walls of this room if €23 is paid for 1 square meter, while windows and doors account for 15℅ of the total area.

Correct answer:

x =  1144.2199 eur

Step-by-step explanation:

D=4.6 m h=2.9 m q=15%=10015=203=0.15 c=23 Eur/m2  r=D/2=4.6/2=1023=2.3 m S=π r2+π D h=3.1416 2.32+3.1416 4.6 2.958.5279 m2  S1=Sq S=58.52790.15 58.527949.7487 m2  x=S1 c=49.7487 23=1144.2199 eur



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