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HELP MEEEEEEEEEEEEEEEEEEEEEE!

Find the area of the blue sector and give your answer as a fraction at its simplest form
please show steps (radius is 12)
and please GIVE YOUR ANSWER WITHOUT GUESSING!

this question is worth 10 pts

HELP MEEEEEEEEEEEEEEEEEEEEEE Find the area of the blue sector and give your answer as a fraction at its simplest form please show steps radius is 12 and please class=

Respuesta :

irspow
A=πr^2, that is for the total area of the circle.  However we only want the area of the sector enclosed by 172° so

A=172πr^2/360, since r=12

A=172π*144/360

A=68.8π u^2

A≈216.14 u^2  (to nearest hundredth of a unit)

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