Field with vegetables

Field planted with vegetables has shape of a rectangular isosceles triangle with leg length of 24 m. At the vertices of the triangle are positioned rotating sprinklers with a range of 12 m. How much of the field sprinkler doesn't irrigated?

Correct result:

S =  61.81 m2

Solution:

S1=a22=2422=288 m2 S2=πα360r2 S2=π90+45+45360122 S2=π/2122=226 m2  S=S1S2=61.81 m2



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