Find the area of the shaded region in each figure if the radius of the bigger circles 9cm and the smaller circles is 4cm. Are the shaded region same in all the figures.
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can you send the figure
i can guess that shaded region should be between bigger and smaller circle so
area of big circle - area of small circle
= πR²-πr²
=π(9²-4²)= π (81-16)
= π (65)
put value of π and get the answer
i can guess that shaded region should be between bigger and smaller circle so
area of big circle - area of small circle
= πR²-πr²
=π(9²-4²)= π (81-16)
= π (65)
put value of π and get the answer
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