Rectangular 6481

The bottom of the pool at the family house has a rectangular shape with dimensions of 5 m and 3.5 m. Its height is 1.2 m. How many kg of acrylic paint are needed to paint the bottom and walls of the pool if 1 kg of paint is enough for 6 m2? The coating is applied in 3 layers.

Correct answer:

m =  18.95 kg

Step-by-step explanation:

a=5 m b=3.5 m c=1.2 m  h=1/6=610.1667 kg/m2  S=a b+2 c (a+b)=5 3.5+2 1.2 (5+3.5)=10379=37.9 m2  m1=h S=0.1667 37.9=603796.3167 kg m=3 m1=3 6.3167=18.95 kg

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