Block-shaped 31741

We will paint the block-shaped pool with the dimensions of the bottom a = 25 m and b = 15 m, and the height c = 3.5 m. How many kg of paint will we need, if one kg is enough for 5 square meters of paint?

Correct answer:

m =  131 kg

Step-by-step explanation:

a=25 m b=15 m c=3.5 m h=5 m2/kg  S=a b+2 (a+b) c=25 15+2 (25+15) 3.5=655 m2  m=S/h=655/5=131 kg



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