Diameter 3413

The farm provided around 150 fruit trees with a trunk diameter of 2 dm with mesh to protect them from wild animals. The mesh was placed so that it was 9 cm away from the trunk. How many regular meters of mesh was needed?

Correct answer:

n =  179.1 bm

Step-by-step explanation:

D=2/10=51=0.2 r=D/2=0.2/2=101=0.1 o=2π (r+9/100)=2 3.1416 (0.1+9/100)1.1938 n=150 o=150 1.1938=179.1 bm



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