Respuesta :

irspow
A=(psr^2)/360

360A=psr^2

s=(360A)/(pr^2)
hrrs01
Skipping the rest of the blah blah blah's in this question, we get that all it acctualy wants us to do, is to solve the equation for s. 

A = PI*r^2*S/360

A*360 = PI*R^2*S

360A/PI*R^2 = S

The answer for this question is:

S = 360A/PI * R^2

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good job