The sector of a circle with a 12 inches radius has a central angle measure of 60°.
what is the exact area of the sector in terms of π ?
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Step-by-step explanation:

The area of sector with central angle 'x' ( in degrees) and radius 'r' is given by :-

Then the area of sector with central angle and radius 12 inches is given by :-

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540