Surface area of a cylinder=(2xxradiusxheight)+(xradius^2x2)
Radius=Diameter/2
Radius=6/2
=3 m
Height=14 m
Surface area=(2xx3x14)+(x3^2x2)
Surface area=263.8937829+56.54866776
Surface area=320.4424507 m^2
=320.4 m^2
Tin of paint: 90 m^2/3.70 euros
Number of tins needed=320.4/90
=3.56 cans of paint
Price=3.56x3.70
Price=13.172 euros
Hope this helps!
P.S. the “^” sign means “to the power of”
ʕ•ᴥ•ʔ
