Arc-sector

arc length = 17 cm
area of sector = 55 cm2
arc angle = ?
the radius of the sector = ?

Correct result:

a =  150.5316 °
r =  6.4706 cm

Solution:

a=90 172/π/55=150.5316=1503154"
r=2 55/17=6.4706 cm



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