Construction 27743

The length of the gutter is 2 m, and the diameter of the gutter is 0.4 m. It is necessary to add 7% of the material to the joints. Find the consumption of sheet metal for the gutter construction.

Correct answer:

A =  1.3446 m2

Step-by-step explanation:

D=0.4 m r=D/2=0.4/2=51=0.2 m l=2 m  S1=π r l=3.1416 0.2 21.2566 m2 q=100%+7%=1+1007=1.07  A=S1 q=1.2566 1.07=1.3446 m2



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