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## Answers

The Brainliest Answer!

The area of a sector= Θ/360*π=9π

=Θ/360*9*9=9

Θ=40

The length of an arc = Θ/360*2πr=4/360*2*π*9=π/5cm

The length of the arc is π/5cm

R=9 cm

area =9pie

therefore,

area =1/2lr

9 pie= 1/2 l9

2 pie=l

area =9pie

therefore,

area =1/2lr

9 pie= 1/2 l9

2 pie=l