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Area of full circle:
A = πr²
A = π(9)²
A = 81π
A = 254.4690049

But its not a full circle - its only 240deg....so...

yeah.. subtract it?

Or.. idk T.T

How many deg. are there in a full circle?

360

@superdavesuper
Angle aob measures 120 deg?

so what do u think? :)

i'm thinking 240 is the answer.. but how.. im not sure

@liliegirl yes...according to the drawing.

No need to substract...just a simple ratio and proportion @liliegirl

@superdavesuper
The area is 54pi??
Just a guess..... :)))

the area of full circle minus the unshaded part?

Any formula or something?

Full circule - 360 deg. shaded - 270 deg.

270 or 240? so complicated

Shaded is 240..

the answer is not 345.53?

My answer is 169.65

Sorry I miss typed. Shaded is 240 n @liliegirl has the right answer of 54 pi :)

I see.
@liliegirl how did you get it? :)

Sorry.. typo error.. haha it should be 120...

thank you so much! :)