A metal washer is made by cutting out a circle 13.2 mm in diameter from a larger circle. To the nearest tenth, what is the area of the washer? larger is 4.4mm

Question

anonymous · Answer

A metal washer is made by cutting out a circle 13.2 mm in diameter from a larger circle. Larger Circle is 4.4mm. To the nearest tenth, what is the area of the washer?
 	
	243.3 mm2
	60.8 mm2
	547.1 mm2
	972.6 mm2
I got 60.8mm2 is this correct

mrnood · Answer

How can you cut a circle of 13.2dia from a disc which is only 4.4?

Please check your question

mrnood · Answer

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Area of Large circle = pi R^2
Area of small circle = pi r^2

Area of washer = pi (R^2-r^2)