Circular segment

What is the radius of a circular section whose central angle is 36° and the area of S = 53.095 cm ^ 2?

Correct answer:

r =  13 cm

Step-by-step explanation:

α=36  S=53.095 cm2  S=πr2 360α  r=π α360 S=3.1416 36360 53.095=13 cm

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