Irrigation sprinkler

The irrigation sprinkler can twist with an angle of 320° and has a reach of 12 meters. Which area can irrigate?

Correct result:

S =  402.1 m2


A=320 r=12 m  S1=π r2=3.1416 122452.3893 m2 S=A360 S1=320360 452.3893=402.1 m2

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