513cm2
24cm2
36cm2
84cm2
Correct answer is B
Radius of the circle r = 6cm, Length of the arc = 8cm
Area of sector = θ360 x πr2........(i)
Length of arc = θ360 x 2πr........(ii)
from eqn. (ii) θ = 240π, subt. for θ in eqn (i)
Area x 2401 x 1360 x π61
= 24cm2
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