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Two concentric circles are centred at O....

Two concentric circles are centred at O. The area of shaded region , if outer and inner radii are 14 cm and 7 cm respectively , is

A

`462 cm^(2) `

B

`154 cm^(2) `

C

`231 cm^(2) `

D

`308 cm^(2)`

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X BOARDS-QUESTION PAPER 2022 TERM 1 SET 1 BASIC-SECTION-B
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